Examine source code of GitHub PRs in home page

{
  "manifest_version": 3,
  "name": "GitHub PRs in home page",
  "version": "1.2",
  "description": "Adds the table in the pull requests page to the home page",
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://github.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "host_permissions": [
    "https://github.com/"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "github-pr-in-home-page@airamhr"
    }
  }
}