feat: added boilerplate code

solution/services/backend/api/v1/schemas.py

@@ -0,0 +1,24 @@
+from http import HTTPStatus as status
+from typing import Any
+
+from ninja import Schema
+
+
+class BadRequestError(Schema):
+    detail: Any
+
+
+class UnauthorizedError(Schema):
+    detail: str = status.UNAUTHORIZED.phrase
+
+
+class ForbiddenError(Schema):
+    detail: str = status.FORBIDDEN.phrase
+
+
+class NotFoundError(Schema):
+    detail: str = status.NOT_FOUND.phrase
+
+
+class ConflictError(Schema):
+    detail: Any