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/package.json

@@ -24,4 +24,4 @@
     "dependencies": {
         "option-validator": "^2.0.6"
     }
-}
+}