Dispatch a Thread.New event

src/models/room.ts

@@ -1289,6 +1289,7 @@ export class Room extends EventEmitter {
             thread = new Thread(events, this, this.client);
             this.reEmitter.reEmit(thread, [ThreadEvent.Update, ThreadEvent.Ready]);
             this.threads.set(thread.id, thread);
+            this.emit(ThreadEvent.New, thread);
         }
         this.emit(ThreadEvent.Update, thread);
     }

src/models/thread.ts

@@ -22,8 +22,9 @@ import { EventTimelineSet } from './event-timeline-set';
 import { Room } from './room';
 
 export enum ThreadEvent {
+    New = "Thread.new",
     Ready = "Thread.ready",
-    Update = "Thread.update"
+    Update = "Thread.update",
 }
 
 /**