Suggestion for Non-Blocking WifiManager - ESPAsyncWifiManager

[dushyantahuja]

Is your feature request related to a problem? Please describe.
Not a problem - more a suggestion for a non-blocking WifiManager

Describe the solution you'd like
I've used https://github.com/alanswx/ESPAsyncWiFiManager in most of my projects, and this one works much better than the WifiManager library. It uses the ESPAsyncWebServer (https://github.com/me-no-dev/ESPAsyncWebServer) - which is much better than the default webserver