JWT: Add org role mapping support to the JWT provider (#101584)

* add org role mapping to the jwt provider

* Fix indentation for OrgMapping assignment

* add-test

* fix linting

* add org_attribute_path

* fix test

* update doc

* update doc

* Update pkg/services/authn/clients/jwt.go

* Update docs

---------

Co-authored-by: Mihaly Gyongyosi <mgyongyosi@users.noreply.github.com>

conf/sample.ini

@@ -132,7 +132,7 @@
 # Set to true or false to enable or disable high availability mode.
 # When it's set to false some functions will be simplified and only run in-process
 # instead of relying on the database.
-# 
+#
 # Only set it to false if you run only a single instance of Grafana.
 ;high_availability = true
 
@@ -901,6 +901,8 @@
 ;key_id = some-key-id
 ;role_attribute_path =
 ;role_attribute_strict = false
+;org_attribute_path =
+;org_mapping =
 ;groups_attribute_path =
 ;auto_sign_up = false
 ;url_login = false
@@ -1525,7 +1527,7 @@ timeout = 30s
 
 # Default data source UID to write to if not specified in the rule definition.
 # Only has effect if the grafanaManagedRecordRulesDatasources feature toggle is enabled.
-default_datasource_uid = 
+default_datasource_uid =
 
 # Optional custom headers to include in recording rule write requests.
 [recording_rules.custom_headers]