Examine source code of SideNav Infinity

{
  "manifest_version": 2,
  "name": "Paginación Vertical Edge",
  "version": "1.0",
  "description": "Mueve la paginación a franjas laterales que aparecen sutilmente.",
  "browser_specific_settings": {
    "gecko": {
      "id": "paginacion-edge@hckrmn.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "storage",
    "tabs"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Configurar Paginación Vertical"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "styles.css"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ]
}