Examine source code of Allnested Wishlist Saver

{
  "manifest_version": 2,
  "name": "Allnested Wishlist Saver",
  "version": "1.0.0",
  "description": "Save your favorite home decor items to a local wishlist. Developed and maintained by Allnested.com.",
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "storage",
    "tabs",
    "activeTab"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "homepage_url": "https://allnested.com",
  "author": "Allnested",
  "browser_specific_settings": {
    "gecko": {
      "id": "media@allnested.com",
      "strict_min_version": "91.0"
    }
  }
}