Examine source code of artifact

{
  "manifest_version": 3,
  "name": "artifact",
  "version": "1.0.17",
  "description": "Artifact Ads Extension",
  "action": {
    "default_popup": "pages/popup/index.html"
  },
  "background": {
    "scripts": [
      "background/index.js"
    ],
    "type": "module"
  },
  "icons": {
    "128": "assets/logo.png"
  },
  "permissions": [
    "webNavigation",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "social@gotartifact.com"
    }
  }
}