v55

• Add playground to write esm app online, try it on https://esm.sh?playground
• Add a better cjs exports parser: cjs-esm-exports
• Support web worker

  import editorWorker from '/monaco-editor/esm/vs/editor/editor.worker?worker'
  const worker = new editorWorker()

• Add queue interface
• Support dataurl, .wasm import
• Import deno polyfills from https://deno.land/std@0.113.0/node
• Fix package CSS