create base models(users,tasks)

src/api/__init__.py

@@ -0,0 +1,8 @@
+from fastapi import APIRouter
+from src.api.users import router as users_router
+from src.api.tasks import router as tasks_router
+
+router = APIRouter()
+
+router.include_router(router=users_router)
+router.include_router(router=tasks_router)