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

ielts_be/dtos/speaking.py

@@ -0,0 +1,11 @@
+from fastapi import UploadFile
+from pydantic import BaseModel
+
+
+class Video(BaseModel):
+    text: str
+    avatar: str
+
+class GradeSpeakingItem(BaseModel):
+    question: str
+    answer: UploadFile