minor #8572 Introduced RedisSessionHandler as a Redis session storage (dkarlovi)

This PR was merged into the master branch.

Discussion
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Introduced RedisSessionHandler as a Redis session storage

Note about RedisSessionHandler.

Commits
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643b9ad Introduced RedisSessionHandler as a Redis session storage

Author: javiereguiluz

components/http_foundation/session_configuration.rst

@@ -73,6 +73,7 @@ easily serve as examples if you wish to write your own.
 
 * :class:`Symfony\\Component\\HttpFoundation\\Session\\Storage\\Handler\\PdoSessionHandler`
 * :class:`Symfony\\Component\\HttpFoundation\\Session\\Storage\\Handler\\MemcachedSessionHandler`
+* :class:`Symfony\\Component\\HttpFoundation\\Session\\Storage\\Handler\\RedisSessionHandler`
 * :class:`Symfony\\Component\\HttpFoundation\\Session\\Storage\\Handler\\MongoDbSessionHandler`
 * :class:`Symfony\\Component\\HttpFoundation\\Session\\Storage\\Handler\\NullSessionHandler`