Examine source code of Hide Amazon Cart Sidebar

{
  "manifest_version": 3,
  "name": "Hide Amazon Cart Sidebar",
  "author": "Shreenath Vyas",
  "version": "1.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "hideamazoncartsidebar@shreenathvyas.net",
      "strict_min_version": "109.0"
    }
  },
  "description": "Hides the cart sidebar on Amazon.",
  "permissions": [
    "scripting"
  ],
  "host_permissions": [
    "https://www.amazon.com/*",
    "https://www.amazon.in/*",
    "https://www.amazon.co.uk/*",
    "https://www.amazon.ca/*",
    "https://www.amazon.de/*",
    "https://www.amazon.fr/*",
    "https://www.amazon.it/*",
    "https://www.amazon.es/*",
    "https://www.amazon.nl/*",
    "https://www.amazon.com.mx/*",
    "https://www.amazon.com.br/*",
    "https://www.amazon.co.jp/*",
    "https://www.amazon.com.au/*",
    "https://www.amazon.sg/*",
    "https://www.amazon.cn/*",
    "https://www.amazon.ae/*",
    "https://www.amazon.sa/*",
    "https://www.amazon.se/*",
    "https://www.amazon.pl/*",
    "https://www.amazon.tr/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.amazon.com/*",
        "https://www.amazon.in/*",
        "https://www.amazon.co.uk/*",
        "https://www.amazon.ca/*",
        "https://www.amazon.de/*",
        "https://www.amazon.fr/*",
        "https://www.amazon.it/*",
        "https://www.amazon.es/*",
        "https://www.amazon.nl/*",
        "https://www.amazon.com.mx/*",
        "https://www.amazon.com.br/*",
        "https://www.amazon.co.jp/*",
        "https://www.amazon.com.au/*",
        "https://www.amazon.sg/*",
        "https://www.amazon.cn/*",
        "https://www.amazon.ae/*",
        "https://www.amazon.sa/*",
        "https://www.amazon.se/*",
        "https://www.amazon.pl/*",
        "https://www.amazon.tr/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ]
}