Fix create_id_token with extra scope claims + add ruff as formatter.

docs/sections/scopesclaims.rst

@@ -111,3 +111,11 @@ Inside your oidc_provider_settings.py file add the following class::
 
 .. note::
     If a field is empty or ``None`` inside the dictionary you return on the ``scope_scopename`` method, it will be cleaned from the response.
+
+Include claims in the ID Token
+==============================
+
+The draft specifies that ID Tokens MAY include additional claims. You can add claims to the ID Token using ``OIDC_IDTOKEN_INCLUDE_CLAIMS``. Note that the claims will be filtered based on the token's scope.
+
+.. note::
+    Any extra claims defined with ``OIDC_EXTRA_SCOPE_CLAIMS`` will also be included. 

docs/sections/settings.rst

@@ -81,7 +81,7 @@ Read more about how to implement it in :ref:`scopesclaims` section.
 OIDC_IDTOKEN_INCLUDE_CLAIMS
 ==============================
 
-OPTIONAL. ``bool``. If enabled, id_token will include standard claims of the user (email, first name, etc.).
+OPTIONAL. ``bool``. If enabled, id_token will include standard (and extra if defined) claims of the user (email, first name, etc.).
 
 Default is ``False``.