Examine source code of Formulr - Magic Sheets

{
  "manifest_version": 3,
  "name": "Formulr - Magic Sheets",
  "version": "1.2",
  "description": "Generate perfect Excel & Google Sheets formulas instantly from natural language.",
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "Open Formulr",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://identitytoolkit.googleapis.com/*",
    "https://getformulr.app/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://getformulr.app/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "hello@formulr.app",
      "strict_min_version": "121.0"
    }
  }
}