Examine source code of LazyYouTubeWatcher

{
  "manifest_version": 2,
  "name": "LazyYouTubeWatcher",
  "version": "0.1.0",
  "description": "Prevents you from endlessly streaming YouTube videos when you fall asleep.You can contribute: https://github.com/Mohamed-Fdl/lazy-youtube-watcher",
  "homepage_url": "https://github.com/Mohamed-Fdl/lazy-youtube-watcher",
  "icons": {
    "48": "icons/48.png",
    "96": "icons/96.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options/index.html"
  },
  "permissions": [
    "notifications",
    "activeTab",
    "webRequest",
    "*://*/*",
    "storage"
  ],
  "browser_action": {
    "default_icon": "icons/32.png",
    "default_title": "LazyYouTubeWatcher",
    "default_popup": "popup/popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{23dd3846-ff14-438a-ae5b-ebbada68f5ee}"
    }
  }
}