Added option to theme config to disable custom background images

Author: JulianPrieber

resources/views/littlelink.blade.php

@@ -45,6 +45,7 @@ function themeAsset($path){
   <meta name="viewport" content="width=device-width, initial-scale=1">
 @endif
 
+@if(theme('allow_custom_background') != "false")
 @php
 $customBackgroundFile = findBackground($userinfo->id);
 $customBackgroundPath = base_path('/img/background-img/'.$customBackgroundFile);
@@ -67,6 +68,7 @@ function themeAsset($path){
   }
 </style>
 @endif
+@endif
 
 <!--#### BEGIN Meta Tags social media preview images  ####-->
   <!-- This shows a preview for title, description and avatar image of users profiles if shared on social media sites -->