[Notifier] Add GoogleChat to the list of supported chat transports

Author: GromNaN

notifier.rst

@@ -133,15 +133,16 @@ The chat channel is used to send chat messages to users by using
 :class:`Symfony\\Component\\Notifier\\Chatter` classes. Symfony provides
 integration with these chat services:
 
-==========  ===============================  =================================================
+==========  ===============================  ============================================================================
 Service     Package                          DSN
-==========  ===============================  =================================================
+==========  ===============================  ============================================================================
 Slack       ``symfony/slack-notifier``       ``slack://default/ID``
 Telegram    ``symfony/telegram-notifier``    ``telegram://TOKEN@default?channel=CHAT_ID``
+GoogleChat  ``symfony/google-chat-notifier``  ``googlechat://ACCESS_KEY:ACCESS_TOKEN@default/SPACE?threadKey=THREAD_KEY``
 Mattermost  ``symfony/mattermost-notifier``  ``mattermost://TOKEN@ENDPOINT?channel=CHANNEL``
 RocketChat  ``symfony/rocketchat-notifier``  ``rocketchat://TOKEN@ENDPOINT?channel=CHANNEL``
 Zulip       ``symfony/zulip-notifier``       ``zulip://EMAIL:APIKEY@ENDPOINT?channel=CHANNEL``
-==========  ===============================  =================================================
+==========  ===============================  ============================================================================
 
 .. versionadded:: 5.1
 
@@ -151,7 +152,7 @@ Zulip       ``symfony/zulip-notifier``       ``zulip://EMAIL:APIKEY@ENDPOINT?cha
 
 .. versionadded:: 5.2
 
-    The Zulip integration was introduced in Symfony 5.2. 
+    The GoogleChat and Zulip integrations were introduced in Symfony 5.2.
 
 Chatters are configured using the ``chatter_transports`` setting: