Added holidays viewer

lib/api/webuntis/queries/getRooms/getRooms.dart

@@ -1,4 +1,5 @@
 import 'dart:convert';
+import 'dart:developer';
 
 import '../../webuntisApi.dart';
 import 'getRoomsResponse.dart';
@@ -9,7 +10,14 @@ class GetRooms extends WebuntisApi {
   @override
   Future<GetRoomsResponse> run() async {
     String rawAnswer = await query(this);
-    return finalize(GetRoomsResponse.fromJson(jsonDecode(rawAnswer)));
+    try {
+      return finalize(GetRoomsResponse.fromJson(jsonDecode(rawAnswer)));
+    } catch(e, trace) {
+      log(trace.toString());
+      log("Failed to parse getRoom data with server response: $rawAnswer");
+    }
+
+    throw Exception("Failed to parse getRoom server response");
   }
 
 }