* Add field for client_secret in Oauth Client Doctype
* openid_profile endpoint in oauth2.py
* added stub methods for OpenID Connect in RequestValidator
* [Fix] using werkzeug url_fix on uri
* added 3 oidc methods in RequestValidator
* Added Frappe Section in Social Login Keys
Add section in `Social Login Keys` for fields `Frappe Client ID` and `Frappe Client Secret` and additional field Frappe OAuth 2 Server because github, facebook and google have fixed urls, Frappe server URL can change as per the hosting domain/server/company
* [Fix] accept code id_token param for oidc
* generate id_token jwt alg HS256
* Updates to OAuth 2 and OIDC
`OAuth Authorization Code` and `OAuth Bearer Token` DocType made RO
Delete Invalid Codes and Revoked Tokens periodically
generate and send `id_token` only if scope of token is `openid`
* [Fix] Periodically delete revoked tokens
* Social Logins untested
* Enabled Frappe social login
* [Docs] OpenID Connect and Frappe social login
* [Fix] Allow multiple scopes for OAuth 2
* [Docs] Added screenshot steps to configure openid and frappe social login
* saved doctype to solve merge conflict
* [fix] re-added client_secret after resolving merge conlict
* [Fix] frappe_userid and default scope
