Update main to function_app

Author: marvinbuss

code/function/main.py renamed to code/function/function_app.py

@@ -1,5 +1,5 @@
 import azure.functions as func
-from function.main import fastapi_app
+from function.function_app import fastapi_app
 
 
 async def main(req: func.HttpRequest, context: func.Context) -> func.HttpResponse:

code/function/wrapper/__init__.py

@@ -1,6 +1,6 @@
 import pytest
 from fastapi.testclient import TestClient
-from function.main import fastapi_app
+from function.function_app import fastapi_app
 
 
 @pytest.fixture(scope="module")