Examine source code of PR Templates for GitHub

{
  "manifest_version": 3,
  "name": "PR Templates for GitHub",
  "version": "1.0",
  "description": "Better pull request templates selector for GitHub",
  "icons": {
    "48": "icons/icon-48.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://github.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "options_page": "options.html",
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "thang.dovah@gmail.com"
    }
  }
}