Add missing OAUTH2/OIDC endpoints

See https://righettod.eu.auth0.com/.well-known/openid-configuration

Discovery/Web-Content/common.txt

@@ -736,6 +736,7 @@ authentication
 author
 authoring
 authorization
+authorize
 authorized_keys
 authors
 authuser
@@ -2653,6 +2654,7 @@ metabase
 metadata
 metaframe
 metatags
+mfa/challenge
 mgr
 michael
 microsoft
@@ -2853,6 +2855,8 @@ o
 oa_servlets
 oauth
 oauth/authorize
+oauth/device/code
+oauth/revoke
 oauth/token
 oauth/token/info
 obdc
@@ -2874,6 +2878,7 @@ office
 offices
 offline
 ogl
+oidc/register
 old
 old-site
 old_site