accounts: add attribute on api response

accounts/serializers.py

@@ -15,4 +15,12 @@ class AccountSerializer(ModelSerializer):
 
     class Meta:
         model = get_user_model()
-        fields = ("id", "username", "first_name", "last_name", "email", "userattribute")
+        fields = (
+            "id",
+            "username",
+            "first_name",
+            "last_name",
+            "email",
+            "userattribute",
+            "is_staff",
+        )