Add quotes around room ids in example config

example-config.yaml

@@ -226,7 +226,7 @@ bridge:
         # The management room for the bot. This is where all status notifications are posted and
         # in this room, you can use `!wa <command>` instead of `!wa relaybot <command>`. Omitting
         # the command prefix completely like in user management rooms is not possible.
-        management: !foo:example.com
+        management: "!foo:example.com"
         # List of users to invite to all created rooms that include the relaybot.
         invites: []
         # The formats to use when sending messages to WhatsApp via the relaybot.