change api server (#56)

Author: BenjaminCanape

lib/data/api/helpers/api_helper.dart

@@ -11,10 +11,7 @@ import '../user_api.dart';
 /// Helper class for making API requests.
 class ApiHelper {
   // switch url when back is down
-  static const String apiUrl =
-      'http://lxgfjcmoky.us18.qoddiapp.com/api/'; //US server
-  //static const String apiUrl =
-  //   'http://tiqorhzmyb.eu11.qoddiapp.com/api/'; //EU server
+  static const String apiUrl = 'https://runbackendrun-6d3g5hh5.b4a.run/api/';
 
   /// Makes an HTTP request to the specified [url] using the given [method].
   ///