Pref: export eventWithTime (#1324)

*  export eventWithTime for consumption in typescript code

.changeset/lemon-lamps-switch.md

@@ -0,0 +1,5 @@
+---
+'rrweb': patch
+---
+
+export eventWithTime for consumption by typescript code

packages/rrweb/src/index.ts

@@ -8,6 +8,7 @@ export {
   IncrementalSource,
   MouseInteractions,
   ReplayerEvents,
+  type eventWithTime
 } from '@rrweb/types';
 
 export type { recordOptions } from './types';