Add configuration reference for TOTP

Resources/doc/configuration.md

@@ -41,6 +41,16 @@ scheb_two_factor:
         digits: 6                      # Number of digits in authentication code
         window: 1                      # How many codes before/after the current one would be accepted as valid
         template: security/2fa_form.html.twig   # Template used to render the authentication form
+
+    # TOTP authentication config
+    totp:
+        enabled: true                  # If TOTP authentication should be enabled, default false
+        server_name: Server Name       # Server name used in QR code
+        issuer: Issuer Name            # Issuer name used in QR code
+        window: 1                      # How many codes before/after the current one would be accepted as valid
+        parameters:                    # Additional parameters added in the QR code
+            image: 'https://my-service/img/logo.png'
+        template: security/2fa_form.html.twig   # Template used to render the authentication form
 
     # The service which is used to persist data in the user object. By default Doctrine is used. If your entity is
     # managed by something else (e.g. an API), you have to implement a custom persister