Examine source code of Apple Beautifier

{
  "manifest_version": 2,
  "name": "Apple Beautifier",
  "version": "1.0.2resigned1",
  "description": "Faites une blague à vos amis anti-Apple, ce module remplace toutes les images des pages web par des images Apple.",
  "icons": {
    "16": "images/icon-16.png",
    "32": "images/icon-32.png",
    "48": "images/icon-48.png",
    "64": "images/icon-64.png",
    "128": "images/icon-128.png"
  },
  "content_scripts": [
    {
      "exclude_matches": [
        "*://*.mozilla.org/*"
      ],
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "appleify.js"
      ]
    }
  ],
  "homepage_url": "https://www.valentincahagne.fr",
  "web_accessible_resources": [
    "images/apple-0.jpg",
    "images/apple-1.jpg",
    "images/apple-2.jpg",
    "images/apple-3.jpg",
    "images/apple-4.jpg",
    "images/apple-5.jpg",
    "images/apple-6.jpg",
    "images/apple-7.jpg",
    "images/apple-8.jpg"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{dd9822fd-368b-4818-a376-514a11c2cc08}"
    }
  }
}