Updated groups to be public

• Updated:
- groups to be public
- routes for /group and /groups/id to be public
- GroupTimeline to ignore relationships for loading
- Group fetching to be a where with is_archived: false
- GroupControllers to have if current_user, else

• Added:
- Meta and og information for view
- Group fetch
- public route api for featured groups, group timelines

• Removed:
- Doorkeeper for read:groups

app/helpers/stream_entries_helper.rb

@@ -68,6 +68,10 @@ module StreamEntriesHelper
     return "The latest Gabs from #{display_name(account)} (@#{account.username}). #{account.note}"
   end
 
+  def group_description(group)
+    return "#{group.title} on Gab. #{group.description}"
+  end
+
   def media_summary(status)
     attachments = { image: 0, video: 0 }