Examine source code of Penguin Tools

{
  "manifest_version": 3,
  "name": "Penguin Tools",
  "version": "4.3",
  "description": "Intercepta la API GraphQL y muestra las respuestas correctas en un panel flotante.",
  "permissions": [
    "activeTab",
    "storage",
    "tabs"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icons/icon48.png"
    },
    "default_title": "Penguin Tools"
  },
  "content_scripts": [
    {
      "matches": [
        "*://aprendes.edu.gob.sv/*",
        "*://*.schoolpt.info/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "injected.js",
        "katex/katex.min.js",
        "katex/katex.min.css",
        "katex/fonts/*",
        "welcome-sprites/*"
      ],
      "matches": [
        "*://aprendes.edu.gob.sv/*",
        "*://*.schoolpt.info/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "penguin-tools@local",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}