Make possible create users and login via OAuth or OpenID

For OAuth you must create app for certain providers. Login button appear at login page if app id specified. Settings are in "Social login" section of settings page.

You can create app by followed urls. You can copy link of certain login button to get proper "redirect url" for OAuth app setting.

• Facebook
• Google
• Twitter
• GitHub
• Discord

Custom providers is on your own. Officially don't supported

You can use 'social_login_auto_redirect' => true setting in config.php for auto redirect unauthorized users to social login if only one provider is configured.