Update MessageType.java

src/main/java/it/auties/whatsapp/model/message/model/MessageType.java

@@ -185,6 +185,10 @@ public enum MessageType {
      * Text edit
      */
     EDITED,
+    /**
+     * Pin in chat
+     */
+    PIN_IN_CHAT,
     /**
      * Newsletter admin invite
      */