Merge branch 'fix-plugin-url' into 'master'

Make plugin name clickable in the plugins tab

`discourse-omniauth-gitlab`'s name in the Discourse plugins tab appears non-clickable.

Adding the URL as a comment fixes that.

See merge request !4

plugin.rb

@@ -2,6 +2,7 @@
 # about: Authenticate Discourse with GitLab
 # version: 0.0.3
 # author: Achilleas Pipinellis
+# url: https://gitlab.com/gitlab-org/discourse-omniauth-gitlab
 gem 'omniauth-gitlab', '1.0.2'