create base models(users,tasks)

src/api/dependancies.py

@@ -0,0 +1,14 @@
+from typing import Annotated
+
+from fastapi import Depends
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from src.db.database import async_session_maker
+
+
+async def get_db():
+    async with async_session_maker as db:
+        yield db
+
+
+DBDep = Annotated[AsyncSession, Depends(get_db)]