mod_http_oauth2: Allow 'login_hint' as a substitute for OIDC 'select_account' prompt If the OIDC 'prompt' parameter does not contain the 'select_account' then it wants us to skip account selection, which means we have to figure which account to authenticate somehow. One way could be have this stored in a cookie from a previous successful login. Another way would be to have the account passed as a hint, which is what we add here.

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.