Examine source code of Git Notify

{
  "manifest_version": 2,
  "version": "2.3.0",
  "name": "Git Notify",
  "short_name": "Git Notify",
  "description": "Don't miss any GitLab merge requests or issues and rocket up your productivity.",
  "icons": {
    "48": "icon-48.a1fd58fb.png",
    "96": "icon-96.af7701ec.png",
    "128": "icon-128.7923d2e7.png"
  },
  "background": {
    "scripts": [
      "background.b6bf980a.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.549e886d.html"
  },
  "options_ui": {
    "page": "options.ce97a5ea.html"
  },
  "web_accessible_resources": [],
  "permissions": [
    "storage",
    "alarms"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{dfc14507-bc0e-4d1b-899e-ba09a445acab}"
    }
  }
}