mod_http_oauth2: Implement RFC 8628 Device Authorization Grant Meant for devices without easy access to a web browser, such as refrigerators and toasters, which definitely need to be running OAuth-enabled XMPP clients! Could be used for CLI tools that might have trouble running a http server needed for the authorization code flow.

This module produces more detailed HTTP logs for Prosodys built-in HTTP
server. The format is similar to that of Apache and go into Prosodys
normal logs at the `info` level.