[Messenger] Document Redis TLS support

Nyholm · Nyholm · commit 37ce66cade4f · 2020-01-29T12:32:51.000+01:00
diff --git a/messenger.rst b/messenger.rst
@@ -913,6 +913,7 @@ stream_max_entries  The maximum number of entries which    ``0`` (which means "n
                     the stream will be trimmed to. Set
                     it to a large enough number to
                     avoid losing pending messages
+tls                 Enable TLS support for the connection  false
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 In Memory Transport
