allow json in search response and abstract interactive loading from select2

Resources/config/routing.yml

@@ -66,8 +66,10 @@ chill_main_admin_permissions:
                 icons: [key]
 
 chill_main_search:
-    path: /{_locale}/search
-    defaults: { _controller: ChillMainBundle:Search:search }
+    path: /{_locale}/search.{_format}
+    defaults: { _controller: ChillMainBundle:Search:search, _format: 'html' }
+    requirements:
+        _format: html|json
 
 chill_main_advanced_search:
     path: /{_locale}/search/advanced/{name}

Resources/public/modules/select_interactive_loading/index.js

@@ -1,7 +1,7 @@
 
 window.addEventListener('load', function (e) {
     var
-            postalCodes = document.querySelectorAll('[data-postal-code]')
+            postalCodes = document.querySelectorAll('[data-select-interactive-loading]')
             ;
 
     for (let i = 0; i < postalCodes.length; i++) {