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

lerna.json

@@ -1,7 +1,5 @@
 {
-    "packages": [
-        "packages/*"
-    ],
+    "packages": ["packages/*"],
     "version": "independent",
     "npmClient": "yarn"
-}
+}