Examine source code of Redact It

{
  "manifest_version": 3,
  "name": "Redact It",
  "version": "1.0.0",
  "description": "Redact sensitive information from web pages.",
  "icons": {
    "48": "icons/48.png",
    "96": "icons/96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{fadb18f4-2ff4-44f7-8b1d-2d27662155dd}",
      "strict_min_version": "113.0"
    },
    "gecko_android": {
      "id": "{fadb18f4-2ff4-44f7-8b1d-2d27662155dd}",
      "strict_min_version": "113.0"
    }
  },
  "action": {
    "default_popup": "popup.html"
  },
  "permissions": [
    "menus",
    "scripting",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  }
}