changed everything from filcnaplo to refilc finally

refilc_kreta_api/lib/models/group_average.dart

@@ -0,0 +1,23 @@
+import 'package:refilc_kreta_api/models/subject.dart';
+
+class GroupAverage {
+  String uid;
+  double average;
+  GradeSubject subject;
+  Map json;
+
+  GroupAverage(
+      {required this.uid,
+      required this.average,
+      required this.subject,
+      this.json = const {}});
+
+  factory GroupAverage.fromJson(Map json) {
+    return GroupAverage(
+      uid: json["Uid"] ?? "",
+      average: json["OsztalyCsoportAtlag"] ?? 0,
+      subject: GradeSubject.fromJson(json["Tantargy"] ?? {}),
+      json: json,
+    );
+  }
+}