Examine source code of Safe Task

{
  "manifest_version": 3,
  "name": "Safe Task",
  "version": "1.3.1",
  "description": "Extensão desenvolvida para implementar funções de mitigação de erros no Service Now. Por: bcosta@dxc.com",
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{22395c2c-6091-4dc3-98d2-668328a3a135}",
      "strict_min_version": "109.0"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "*://vale.service-now.com/*"
      ],
      "js": [
        "contentScript.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    },
    {
      "matches": [
        "*://vale.service-now.com/*"
      ],
      "js": [
        "confirmationBox.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  }
}