Add a section to intro_configuration for Galaxy.

docsite/rst/intro_configuration.rst

@@ -897,3 +897,19 @@ The normal behaviour is for operations to copy the existing context or use the u
 The default list is: nfs,vboxsf,fuse,ramfs::
 
     special_context_filesystems = nfs,vboxsf,fuse,ramfs,myspecialfs
+
+Galaxy Settings
+---------------
+
+The following options can be set in the [galaxy] section of ansible.cfg:
+
+server
+======
+
+Override the default Galaxy server value of https://galaxy.ansible.com.
+
+ignore_certs
+============
+
+If set to *yes*, ansible-galaxy will not validate TLS certificates. Handy for testing against a server with a self-signed certificate
+.