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

scripts/plugin/template/README.md

@@ -0,0 +1,11 @@
+# artplayer-plugin-{{name}}
+
+{{name}} plugin for ArtPlayer
+
+## Demo
+
+[https://artplayer.org](https://artplayer.org/?libs=./uncompiled/artplayer-plugin-{{name}}/index.js&example={{name}})
+
+## License
+
+MIT © Harvey Zack