refactor(audio): [PKG-AUDIO-04] migrate strict source and compatible type entries

test/types/audio-track-source.ts

@@ -0,0 +1,7 @@
+import type artplayerPluginAudioTrack from 'artplayer-plugin-audio-track'
+import type { RuntimeFactory } from 'artplayer-plugin-audio-track'
+import factory from '../../packages/artplayer-plugin-audio-track/src/index'
+
+const legacyContract: typeof artplayerPluginAudioTrack = factory
+const runtimeContract: RuntimeFactory = factory
+void [legacyContract, runtimeContract]