Add channels.objects property to realtime api docs

Author: VeskeR

content/api/realtime-sdk/channels.textile

@@ -151,6 +151,11 @@ h6(#push).
 
 Provides access to the "PushChannel":/docs/api/realtime-sdk/push#push-channel object for this channel which can be used to access members present on the channel, or participate in presence.
 
+h6(#objects).
+  default: objects
+
+Provides access to the "Objects":/docs/liveobjects object for this channel which can be used to read, modify and subscribe to LiveObjects on a channel.
+
 h3. Methods
 
 h6(#publish).