auth works now

api/app/custom_auth/serializers.py

@@ -0,0 +1,9 @@
+from rest_framework_simplejwt.serializers import TokenObtainPairSerializer
+from rest_framework_simplejwt.views import TokenObtainPairView
+
+class MyTokenObtainPairSerializer(TokenObtainPairSerializer):
+    @classmethod
+    def get_token(cls, user):
+        token = super().get_token(user)
+        token['username'] = user.username
+        return token