Examine source code of Protect My Art

{
  "manifest_version": 3,
  "name": "Protect My Art",
  "version": "1.2.0",
  "description": "Monitor websites for AI training protection tags (noai, noimageai) and help protect artists' work",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "saltysalmonboi@gmail.com"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "128": "icon.png"
    }
  },
  "icons": {
    "128": "icon.png"
  }
}