message: chore: add vm to playground for testing purposes
diff: // necessary for webpack
  ///<reference path="../src/global.d.ts"/>
  -import { createApp } from 'vue'
  +import { createApp, App as Application } from 'vue'
  import { router, routerHistory } from './router'
  import { globalState } from './store'
  import App from './App.vue'
  @@ -10,6 +10,7 @@ declare global {
  // h: HTML5History
  h: typeof routerHistory
  r: typeof router
  + vm: ReturnType<Application['mount']>
  }
  }
  @@ -21,4 +22,4 @@ const app = createApp(App)
  app.provide('state', globalState)
  app.use(router)
  -app.mount('#app')
  +window.vm = app.mount('#app')
  