Brushed up the backend, added writing task 1 academic prompt gen and grading ENCOA-274

ielts_be/services/abc/user.py

@@ -0,0 +1,10 @@
+from abc import ABC, abstractmethod
+
+from ielts_be.dtos.user_batch import BatchUsersDTO
+
+
+class IUserService(ABC):
+
+    @abstractmethod
+    async def batch_users(self, batch: BatchUsersDTO):
+        pass