Examine source code of 勿忘訂便當

{
  "name": "勿忘訂便當",
  "manifest_version": 2,
  "version": "0.1.12resigned1",
  "description": "提醒目前訂便當網站上未登記的訂單。",
  "icons": {
    "29": "data/images/logo/dinbendon-alpha.png",
    "58": "data/images/logo/dinbendon-alpha-2x.png",
    "116": "data/images/logo/dinbendon-alpha-4x.png",
    "232": "data/images/logo/dinbendon-alpha-8x.png"
  },
  "homepage_url": "https://github.com/timdream/dinbendon-reminder",
  "author": "Tim Guan-tin Chien",
  "browser_action": {
    "default_icon": "data/images/logo/dinbendon-alpha-grayscale.png",
    "default_title": "勿忘訂便當",
    "default_popup": "data/panel.html"
  },
  "background": {
    "scripts": [
      "lib/dinbendon-parser.js",
      "lib/main.js"
    ],
    "persistent": false
  },
  "permissions": [
    "alarms",
    "cookies",
    "notifications",
    "https://dinbendon.net/"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "dinbendon-reminder@timdream.org"
    }
  }
}