documentation: Loading remote image messages in Example project

Example/Sources/View Controllers/BasicExampleViewController.swift

@@ -25,6 +25,7 @@
 import UIKit
 import MapKit
 import MessageKit
+import PINRemoteImage
 
 final class BasicExampleViewController: ChatViewController {
     override func configureMessageCollectionView() {
@@ -71,6 +72,14 @@ extension BasicExampleViewController: MessagesDisplayDelegate {
         let avatar = SampleData.shared.getAvatarFor(sender: message.sender)
         avatarView.set(avatar: avatar)
     }
+
+    func configureMediaMessageImageView(_ imageView: UIImageView, for message: MessageType, at indexPath: IndexPath, in messagesCollectionView: MessagesCollectionView) {
+        if case MessageKind.photo(let media) = message.kind, let imageURL = media.url {
+            imageView.pin_setImage(from: imageURL)
+        } else {
+            imageView.pin_cancelImageDownload()
+        }
+    }
     
     // MARK: - Location Messages