Add more fields to graphene user type

aleksis/core/schema/user.py

-from django.contrib.auth import get_user_model
-
 import graphene
 
 
 class UserType(graphene.ObjectType):
+    username = graphene.String()
+    first_name = graphene.String()
+    last_name = graphene.String()
+
     is_authenticated = graphene.Boolean(required=True)
     is_anonymous = graphene.Boolean(required=True)
-
-    def resolve_is_authenticated(root: get_user_model(), info, **kwargs):
-        return root.is_authenticated
-
-    def resolve_is_anonymous(root: get_user_model(), info, **kwargs):
-        return root.is_anonymous