Merge pull request #1209 from appwrite/fix-flutter-override-annotation-tomap

Add @OverRide annotation to toMap method in Dart models

Author: abnegate

templates/dart/lib/src/models/model.dart.twig

@@ -59,6 +59,7 @@ class {{ definition.name | caseUcfirst | overrideIdentifier }} implements Model
         );
     }
 
+    @override
     Map<String, dynamic> toMap() {
         return {
 {% for property in definition.properties %}