refactor: update type exports and improve type usage in tests

test/types.test.ts

@@ -1,6 +1,7 @@
+import type { Option } from '../packages/artplayer'
 import Artplayer from '../packages/artplayer'
 
-const option: Artplayer['Option'] = {
+const option: Option = {
   container: '.artplayer-app',
   url: './assets/sample/video.mp4',
 }
@@ -8,3 +9,4 @@ const option: Artplayer['Option'] = {
 option.volume = 0.5
 
 const art = new Artplayer(option)
+art.play()