docs: add config options that were missing

#128 added pid_file
#1331 added disable_coordinates

website/content/docs/agent/options.mdx

@@ -1477,6 +1477,10 @@ bind_addr = "{{ GetPrivateInterfaces | include \"network\" \"10.0.0.0/8\" | attr
 - `disable_keyring_file` - Equivalent to the
   [`-disable-keyring-file` command-line flag](#_disable_keyring_file).
 
+- `disable_coordinates` - Disables sending of [network coordinates](/docs/architecture/coordinates).
+  When network coordinates are disabled the `near` query param will not work to sort the nodes,
+  and the [`consul rtt`](/commands/rtt) command will not be able to provide round trip time between nodes.
+
 - `gossip_lan` - **(Advanced)** This object contains a
   number of sub-keys which can be set to tune the LAN gossip communications. These
   are only provided for users running especially large clusters that need fine tuning
@@ -1667,6 +1671,8 @@ bind_addr = "{{ GetPrivateInterfaces | include \"network\" \"10.0.0.0/8\" | attr
     This was added in Consul 1.0. Must be a duration value such as 10s. Defaults
     to 7s.
 
+- `pid_file` Equivalent to the [`-pid-file` command line flag](#_pid_file).
+
 - `ports` This is a nested object that allows setting the bind ports for the following keys:
 
   - `dns` ((#dns_port)) - The DNS server, -1 to disable. Default 8600.