Examine source code of Resoomer - Cognitive Studio

{
  "manifest_version": 2,
  "name": "Resoomer - Cognitive Studio",
  "version": "3.3",
  "description": "Turn any online article into actionable content in one click.",
  "browser_specific_settings": {
    "gecko": {
      "id": "contact@resoomer.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ],
        "optional": []
      }
    }
  },
  "browser_action": {
    "default_title": "Process your articles",
    "default_popup": "html/browser_popup.html",
    "default_icon": {
      "16": "img/16.png",
      "32": "img/32.png",
      "48": "img/48.png",
      "128": "img/128.png"
    }
  },
  "permissions": [
    "activeTab",
    "tabs",
    "https://resoomer.com/",
    "https://api.resoomer.com/"
  ],
  "web_accessible_resources": [
    "img/*",
    "js/*",
    "html/*"
  ]
}