Markdown Cheatsheet

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Markdown Cheatsheet",
  "description": "This extension shows markdown cheatsheet",
  "action": {
    "default_icon": "images/default_icon.png",
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "version": "2.2.1"
}