Examine source code of Quick Link Github

{
  "manifest_version": 3,
  "name": "Quick Link Github",
  "description": "Keeps record of the PR and Issues.",
  "version": "1.2.0",
  "action": {
    "default_popup": "index.html"
  },
  "icons": {
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f6bad69a-5fa0-11ef-b2e1-325096b39f47}"
    }
  },
  "permissions": [
    "activeTab",
    "storage"
  ]
}