Examine source code of Easy Shop

{
  "manifest_version": 3,
  "name": "Easy Shop",
  "version": "0.2.0",
  "description": "Simplify the amazon shopping experience by removing bloated content",
  "homepage_url": "https://github.com/subrat-lima/easy-shop",
  "browser_specific_settings": {
    "gecko": {
      "id": "{0d9b2ee7-adc6-4d4d-a1f6-811281652854}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "activeTab"
  ],
  "icons": {
    "32": "icons/easy-32.png",
    "64": "icons/easy-64.png",
    "128": "icons/easy-128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "32": "icons/easy-32.png",
      "64": "icons/easy-64.png",
      "128": "icons/easy-128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.amazon.com/*",
        "*://*.amazon.co.uk/*",
        "*://*.amazon.in/*",
        "*://*.amazon.ca/*",
        "*://*.amazon.de/*",
        "*://*.amazon.fr/*",
        "*://*.amazon.co.jp/*",
        "*://*.amazon.it/*",
        "*://*.amazon.es/*",
        "*://*.amazon.com.au/*",
        "*://*.amazon.com.br/*",
        "*://*.amazon.com.mx/*",
        "*://*.amazon.nl/*",
        "*://*.amazon.se/*",
        "*://*.amazon.pl/*",
        "*://*.amazon.sg/*",
        "*://*.amazon.ae/*",
        "*://*.amazon.sa/*",
        "*://*.amazon.eg/*",
        "*://*.amazon.com.tr/*"
      ],
      "css": [
        "css/ads.css",
        "css/mrp.css",
        "css/deal.css",
        "css/stats.css"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ]
}