docs: Add missing dots at the end of comments

[alexandear]

This PR adds missing dots at the end of comments. Also, enables godot linter to ensure comments always end with a full stop. Additionally, enables stylecheck issue to ensure comments always start with a function name.

The full log of running golangci-lint:

❯ golangci-lint run
prefork/prefork.go:78:59: Comment should end in a period (godot)
// IsChild checks if the current thread/process is a child
                                                          ^
prefork/prefork.go:89:65: Comment should end in a period (godot)
// New wraps the fasthttp server to run with preforked processes
                                                                ^
prefork/prefork.go:233:63: Comment should end in a period (godot)
// ListenAndServe serves HTTP requests from the given TCP addr
                                                              ^
args.go:121:40: Comment should end in a period (godot)
// For example args.Sort(bytes.Compare)
                                       ^
args.go:232:40: Comment should end in a period (godot)
// Only key in argument, like key1&key2
                                       ^
client.go:661:75: Comment should end in a period (godot)
// ConnPoolStrategyType define strategy of connection pool enqueue/dequeue
                                                                          ^
client.go:875:53: Comment should end in a period (godot)
// LastUseTime returns time the client was last used
                                                    ^
client.go:1697:53: Comment should end in a period (godot)
// ConnsCount returns connection count of HostClient
                                                    ^
client.go:2029:37: Comment should end in a period (godot)
// inspired by net/http/transport.go
                                    ^
client.go:2084:37: Comment should end in a period (godot)
// inspired by net/http/transport.go
                                    ^
cookie.go:26:53: Comment should end in a period (godot)
        // CookieSameSiteDisabled removes the SameSite flag
                                                           ^
cookie.go:28:53: Comment should end in a period (godot)
        // CookieSameSiteDefaultMode sets the SameSite flag
                                                           ^
cookie.go:30:74: Comment should end in a period (godot)
        // CookieSameSiteLaxMode sets the SameSite flag with the "Lax" parameter
                                                                                ^
cookie.go:32:80: Comment should end in a period (godot)
        // CookieSameSiteStrictMode sets the SameSite flag with the "Strict" parameter
                                                                                      ^
cookie.go:125:92: Comment should end in a period (godot)
// set value CookieSameSiteNoneMode will set Secure to true also to avoid browser rejection
                                                                                           ^
cookie.go:177:29: Comment should end in a period (godot)
// Set max age to 0 to unset
                            ^
cookie.go:184:62: Comment should end in a period (godot)
// CookieExpireUnlimited is returned if cookie doesn't expire
                                                             ^
fs.go:561:54: Comment should end in a period (godot)
// files bigger than this size are sent with sendfile
                                                     ^
fs.go:1439:62: Comment should end in a period (godot)
// newCompressedFSFileCache use memory cache compressed files
                                                             ^
header.go:347:68: Comment should end in a period (godot)
// addVaryBytes add value to the 'Vary' header if it's not included
                                                                   ^
header.go:951:73: Comment should end in a period (godot)
// This is enabled by default unless disabled using DisableNormalizing()
                                                                        ^
header.go:983:73: Comment should end in a period (godot)
// This is enabled by default unless disabled using DisableNormalizing()
                                                                        ^
header.go:1353:63: Comment should end in a period (godot)
// setNonSpecial directly put into map i.e. not a basic header
                                                              ^
header.go:1412:63: Comment should end in a period (godot)
// setNonSpecial directly put into map i.e. not a basic header
                                                              ^
header.go:3335:65: Comment should end in a period (godot)
// removeNewLines will replace `\r` and `\n` with an empty space
                                                                ^
headers.go:3:11: Comment should end in a period (godot)
// Headers
          ^
headers.go:5:19: Comment should end in a period (godot)
        // Authentication
                         ^
headers.go:11:12: Comment should end in a period (godot)
        // Caching
                  ^
headers.go:19:17: Comment should end in a period (godot)
        // Client hints
                       ^
headers.go:29:17: Comment should end in a period (godot)
        // Conditionals
                       ^
headers.go:38:26: Comment should end in a period (godot)
        // Connection management
                                ^
headers.go:43:24: Comment should end in a period (godot)
        // Content negotiation
                              ^
headers.go:49:13: Comment should end in a period (godot)
        // Controls
                   ^
headers.go:55:9: Comment should end in a period (godot)
        // CORS
               ^
headers.go:68:17: Comment should end in a period (godot)
        // Do Not Track
                       ^
headers.go:72:14: Comment should end in a period (godot)
        // Downloads
                    ^
headers.go:75:29: Comment should end in a period (godot)
        // Message body information
                                   ^
headers.go:82:12: Comment should end in a period (godot)
        // Proxies
                  ^
headers.go:89:14: Comment should end in a period (godot)
        // Redirects
                    ^
headers.go:92:20: Comment should end in a period (godot)
        // Request context
                          ^
headers.go:99:21: Comment should end in a period (godot)
        // Response context
                           ^
headers.go:103:19: Comment should end in a period (godot)
        // Range requests
                         ^
headers.go:109:13: Comment should end in a period (godot)
        // Security
                   ^
headers.go:125:22: Comment should end in a period (godot)
        // Server-sent event
                            ^
headers.go:132:20: Comment should end in a period (godot)
        // Transfer coding
                          ^
headers.go:137:15: Comment should end in a period (godot)
        // WebSockets
                     ^
headers.go:144:10: Comment should end in a period (godot)
        // Other
                ^
http.go:253:63: Comment should end in a period (godot)
// IsBodyStream returns true if body is set via SetBodyStream*
                                                              ^
http.go:258:63: Comment should end in a period (godot)
// IsBodyStream returns true if body is set via SetBodyStream*
                                                              ^
http.go:897:27: Comment should end in a period (godot)
// URI returns request URI
                          ^
http.go:1852:74: Comment should end in a period (godot)
// Bodies with sizes smaller than minCompressLen aren't compressed at all
                                                                         ^
http.go:2370:31: Comment should end in a period (godot)
// c.DoTimeout(&req, &resp, t)
                              ^
lbclient.go:62:58: Comment should end in a period (godot)
// DoDeadline calls DoDeadline on the least loaded client
                                                         ^
lbclient.go:67:81: Comment should end in a period (godot)
// DoTimeout calculates deadline and calls DoDeadline on the least loaded client
                                                                                ^
lbclient.go:99:43: Comment should end in a period (godot)
// returns the new total number of clients
                                          ^
lbclient.go:112:43: Comment should end in a period (godot)
// returns the new total number of clients
                                          ^
server.go:487:68: Comment should end in a period (godot)
// RequestConfig configure the per request deadline and body limits
                                                                   ^
server.go:729:68: Comment should end in a period (godot)
// ResetUserValues allows to reset user values from Request Context
                                                                   ^
server.go:1734:53: Comment should end in a period (godot)
// in one server structure. See examples/multidomain
                                                    ^
server.go:2053:59: Comment should end in a period (godot)
// This function is intended be used by monitoring systems
                                                          ^
server.go:2060:59: Comment should end in a period (godot)
// This function is intended be used by monitoring systems
                                                          ^
server.go:2726:69: Comment should end in a period (godot)
// RequestCtx.s.done is only closed when the server is shutting down
                                                                    ^
server.go:2739:69: Comment should end in a period (godot)
// RequestCtx.s.done is only closed when the server is shutting down
                                                                    ^
server.go:2754:57: Comment should end in a period (godot)
// This method is the same as calling ctx.UserValue(key)
                                                        ^
uri.go:557:23: Comment should end in a period (godot)
// or matches /^:\d*$/
                      ^
client_unix_test.go:13:19: Comment should end in a period (godot)
// See issue #1232
                  ^
client_unix_test.go:76:19: Comment should end in a period (godot)
// See issue #1232
                  ^
fs_fs_test.go:368:7: Comment should end in a period (godot)
// *//
      ^
header_timing_test.go:15:42: Comment should end in a period (godot)
// it has the same length as Content-Type
                                         ^
header_timing_test.go:102:21: Comment should end in a period (godot)
// Result: 2.2 ns/op
                    ^
header_timing_test.go:116:21: Comment should end in a period (godot)
// Result: 2.9 ns/op
                    ^
header_timing_test.go:130:21: Comment should end in a period (godot)
// Result: 2.3 ns/op
                    ^
header_timing_test.go:144:21: Comment should end in a period (godot)
// Result: 2.9 ns/op
                    ^
server_test.go:26:51: Comment should end in a period (godot)
// Make sure RequestCtx implements context.Context
                                                  ^
fs_handler_example_test.go:10:50: Comment should end in a period (godot)
// Setup file handlers (aka 'file server config')
                                                 ^
fs_handler_example_test.go:30:24: Comment should end in a period (godot)
// Main request handler
                       ^
server.go:1146:2: ST1003: var NetHttpFormValueFunc should be NetHTTPFormValueFunc (stylecheck)
        NetHttpFormValueFunc = func(ctx *RequestCtx, key string) []byte {
        ^
client.go:1955:15: ST1005: error strings should not end with punctuation or newlines (stylecheck)
                return nil, errors.New("dialling unsuccessful. Please report this bug!")
                            ^
server.go:22:1: ST1022: comment on exported var ErrAlreadyServing should be of the form "ErrAlreadyServing ..." (stylecheck)
// Deprecated: ErrAlreadyServing is never returned from Serve. See issue #633.
^
client_test.go:2264:26: ST1016: methods on the same type should have the same receiver name (seen 2x "r", 4x "w") (stylecheck)
func (w *writeErrorConn) Close() error {
                         ^

[erikdubbelboer]

Thanks!