docs: Explain application_protocol better, and point the "Report Do…

…cs Issue" to the docs Github issue template (#320)

## Description:
Two tiny bugfixes

## Is this change user facing?
YES

## References (if applicable):
Fixes #318 
Fixes #319

---------

Co-authored-by: mieubrisse <mieubrisse@gmail.com>

docs/docs/reference/starlark-types.md

@@ -193,13 +193,16 @@ port_spec = PortSpec(
  # The port number which we want to expose
  # MANDATORY
  number = 3000,
- 
+
  # Transport protocol for the port (can be either "TCP" or "UDP")
- # Optional (DEFAULT:"TCP")
+ # OPTIONAL (DEFAULT:"TCP")
  transport_protocol = "TCP",
 
- # Application protocol for the port
- # Optional
+ # Application protocol for the port that will be displayed in front of URLs containing the port
+ # For example:
+ # "http" to get a URL of "http://..."
+ # "postgresql" to get a URL of "postgresql://..."
+ # OPTIONAL
  application_protocol = "http",
 )
 ```

docs/docusaurus.config.js

@@ -93,7 +93,7 @@ const config = {
  dropdownActiveClassDisabled: true,
  },
  {
- href: 'https://github.com/kurtosis-tech/kurtosis/issues/new/',
+ href: 'https://github.com/kurtosis-tech/kurtosis/issues/new?assignees=leeederek&labels=docs&template=docs-issue.yml&title=%5BDocs%5D%3A+',
  position: 'right',
  label: 'Report Docs Issue',
  },