Fix code snippet in README

Specify channel modes, and attach the channel (we will shortly be
introducing an implicit attach on getRoot but we don't have it yet).

Author: lawrence-forooghian

README.md

@@ -25,8 +25,23 @@ clientOptions.plugins = [.liveObjects: AblyLiveObjects.Plugin.self]
 
 let realtime = ARTRealtime(options: clientOptions)
 
-// You can now access LiveObjects functionality via a channel's `objects` property:
-let channel = realtime.channels.get("myChannel")
+// Fetch a channel, specifying the `.objectPublish` and `.objectSubscribe` modes
+let channelOptions = ARTRealtimeChannelOptions()
+channelOptions.modes = [.objectPublish, .objectSubscribe]
+let channel = realtime.channels.get("myChannel", options: channelOptions)
+
+// Attach the channel
+try await withCheckedThrowingContinuation { (continuation: CheckedContinuation<Void, Error>) in
+    channel.attach { error in
+        if let error {
+            continuation.resume(throwing: error)
+        } else {
+            continuation.resume()
+        }
+    }
+}
+
+// You can now access LiveObjects functionality via the channel's `objects` property:
 let rootObject = try await channel.objects.getRoot()
 // …and so on
 ```

Sources/AblyLiveObjects/Public/Plugin.swift

@@ -15,8 +15,23 @@ import ObjectiveC.NSObject
 ///
 /// let realtime = ARTRealtime(options: clientOptions)
 ///
-/// // You can now access LiveObjects functionality via a channel's `objects` property:
-/// let channel = realtime.channels.get("myChannel")
+/// // Fetch a channel, specifying the `.objectPublish` and `.objectSubscribe` modes
+/// let channelOptions = ARTRealtimeChannelOptions()
+/// channelOptions.modes = [.objectPublish, .objectSubscribe]
+/// let channel = realtime.channels.get("myChannel", options: channelOptions)
+///
+/// // Attach the channel
+/// try await withCheckedThrowingContinuation { (continuation: CheckedContinuation<Void, Error>) in
+///     channel.attach { error in
+///         if let error {
+///             continuation.resume(throwing: error)
+///         } else {
+///             continuation.resume()
+///         }
+///     }
+/// }
+///
+/// // You can now access LiveObjects functionality via the channel's `objects` property:
 /// let rootObject = try await channel.objects.getRoot()
 /// // …and so on
 /// ```