Examine source code of Asistente Contable 2.0

{
  "manifest_version": 3,
  "name": "Asistente Contable 2.0",
  "version": "3.0.0",
  "browser_specific_settings": {
    "gecko": {
      "id": "{7a57e26e-bcaa-45c4-bbc4-07e973430b40}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "description": "Aux tool for filling out different platform auth forms.",
  "icons": {
    "16": "logo/logo-16.png",
    "48": "logo/logo-48.png",
    "128": "logo/logo-128.png"
  },
  "permissions": [
    "scripting",
    "tabs",
    "downloads"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_icon": "logo/logo-48.png",
    "default_title": "Asistente Contable 2.0"
  },
  "content_scripts": [
    {
      "js": [
        "foreground.js"
      ],
      "matches": [
        "*://asistentecontable.work/mc/*",
        "*://www.asistentecontable.work/mc/*"
      ],
      "run_at": "document_idle"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self';"
  }
}