Vast (#762)

* add artplayer-plugin-vast

* chore: Add create:plugin script to package.json

* chore: Remove deprecated artplayer-plugin-{{name}} and artplayer-plugin-vast types

* chore: Update artplayer-plugin-vast package description

* chore: Update Prettier configuration and dependencies

packages/artplayer-plugin-chromecast/package.json

@@ -21,4 +21,4 @@
         "video",
         "player"
     ]
-}
+}