change proxy into a ASGI application

- move Quart init from server.py into app.py
- create Server class for config and loggin setup
- restore hypercorn logging configuration after
  start of Quart/Hypercorn

app/Dockerfile

@@ -67,4 +67,4 @@ EXPOSE 5005 8127 10000
 
 # command to run on container start
 ENTRYPOINT ["/root/entrypoint.sh"]
-CMD [ "python3", "./server.py" ]
+CMD [ "python3", "./app.py" ]