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

ielts_be/controllers/abc/exam/writing.py

@@ -0,0 +1,14 @@
+from abc import ABC, abstractmethod
+
+from fastapi.datastructures import UploadFile
+
+
+class IWritingController(ABC):
+
+    @abstractmethod
+    async def get_writing_task_general_question(self, task: int, topic: str, difficulty: str):
+        pass
+
+    @abstractmethod
+    async def get_writing_task_academic_question(self, task: int, attachment: UploadFile, difficulty: str):
+        pass