Add missing green@2x.png

Changelog

@@ -1,4 +1,5 @@
 2018-11-10 DariusIII
+	* Chg: Add missing green@2x.png
 	* Chg: Remove unused css and js from resources/assets folder
 	* Fix: Fix TV series page
 	* Chg: Update webpack.mix.js and properly generate files

webpack.mix.js

@@ -16,6 +16,7 @@ mix
     .copyDirectory('node_modules/tinymce/skins/', 'public/assets/js/skins/')
     .copyDirectory('node_modules/tinymce/plugins/', 'public/assets/js/plugins/')
     .copy('node_modules/icheck/skins/flat/green.png', 'public/assets/css/green.png')
+    .copy('node_modules/icheck/skins/flat/green@2x.png', 'public/assets/css/green@2x.png')
     .styles(
         [
             'node_modules/bootstrap/dist/css/bootstrap.min.css',