Examine source code of Shop Tracker

{
  "manifest_version": 2,
  "name": "Taobao Shop Tracker",
  "version": "2.2.1",
  "description": "Track Taobao & Tmall shops with categories, priorities, and publisher types.",
  "author": "You",
  "permissions": [
    "storage",
    "tabs",
    "*://*.taobao.com/*",
    "*://*.tmall.com/*",
    "unlimitedStorage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_title": "Taobao Shop Tracker",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.taobao.com/*",
        "*://*.tmall.com/*"
      ],
      "js": [
        "content/content.js"
      ],
      "css": [
        "content/content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "taobao-shop-tracker@local",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}