Examine source code of Sort X

{
  "manifest_version": 3,
  "name": "Sort X",
  "version": "1.2.0",
  "description": "Sort your Twitter (X) followers and following lists by follower count for free.",
  "browser_specific_settings": {
    "gecko": {
      "id": "sort-x@mikatech.name.ng",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [],
  "host_permissions": [
    "https://x.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://x.com/*"
      ],
      "js": [
        "inject.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    },
    {
      "matches": [
        "https://x.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}