Expose project badges in project settings menu

app/controllers/projects/badges_controller.rb

 class Projects::BadgesController < Projects::ApplicationController
+  layout 'project_settings'
+  before_action :authorize_admin_project!, only: [:index]
   before_action :no_cache_headers, except: [:index]
 
   def index

app/views/layouts/nav/_project_settings.html.haml

@@ -51,8 +51,13 @@
           = icon('code fw')
           %span
             Variables
-      = nav_link path: 'triggers#index' do
+      = nav_link(controller: :triggers) do
         = link_to namespace_project_triggers_path(@project.namespace, @project), title: 'Triggers' do
           = icon('retweet fw')
           %span
             Triggers
+      = nav_link(controller: :badges) do
+        = link_to namespace_project_badges_path(@project.namespace, @project), title: 'Badges' do
+          = icon('star-half-empty fw')
+          %span
+            Badges