Export TrackType from @livekit/protocol (#1370)

* Export TrackType from @livekit/protocol

Resolves #1369

* Create small-singers-care.md

---------

Co-authored-by: David Zhao <dz@livekit.io>

Author: Philzen

.changeset/small-singers-care.md

@@ -0,0 +1,5 @@
+---
+"livekit-client": patch
+---
+
+Export TrackType from @livekit/protocol

src/index.ts

@@ -1,5 +1,5 @@
 import { Mutex } from '@livekit/mutex';
-import { DataPacket_Kind, DisconnectReason, SubscriptionError } from '@livekit/protocol';
+import { DataPacket_Kind, DisconnectReason, SubscriptionError, TrackType } from '@livekit/protocol';
 import { LogLevel, LoggerNames, getLogger, setLogExtension, setLogLevel } from './logger';
 import DefaultReconnectPolicy from './room/DefaultReconnectPolicy';
 import type { ReconnectContext, ReconnectPolicy } from './room/ReconnectPolicy';
@@ -120,4 +120,5 @@ export type {
   VideoSenderStats,
   ReconnectContext,
   ReconnectPolicy,
+  TrackType,
 };