Examine source code of YouTube Playlist Notifier

{
  "manifest_version": 2,
  "name": "YouTube Playlist Notifier",
  "version": "1.0.0",
  "description": "Get notifications when YouTube playlists are updated",
  "browser_specific_settings": {
    "gecko": {
      "id": "jdoneal859@gmail.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "developer": {
    "name": "Josiah O'Neal"
  },
  "icons": {
    "32": "icons/icon-32.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "notifications",
    "storage",
    "alarms",
    "https://www.youtube.com/*"
  ],
  "background": {
    "scripts": [
      "utils/storage.js",
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "32": "icons/icon-32.png",
      "96": "icons/icon-96.png"
    }
  }
}