#3 Webinterface for settings, sensor data and Relay actions

Ability to change settings via the web interface, show sensor data (e.g. temperature, humidity,...) and Buttons for relay actions (-> open door).

Send sensor data to server-app and be able to start relay actions via server/external request (with authentication?)

Async Web Server:

https://randomnerdtutorials.com/esp32-esp8266-web-server-http-authentication/

https://github.com/me-no-dev/ESPAsyncWebServer