Examine source code of TabNotion

{
  "manifest_version": 2,
  "name": "TabNotion",
  "version": "1.0.1",
  "description": "Quick and simple way to save all your tabs in an easy to read file (CSV, TXT, JSON).",
  "icons": {
    "16": "assets/icon16.png",
    "24": "assets/icon24.png",
    "32": "assets/icon32.png",
    "48": "assets/icon48.png",
    "128": "assets/icon128.png"
  },
  "permissions": [
    "tabs",
    "scripting",
    "downloads",
    "notifications"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js",
      "utils/const.js",
      "utils/index.js"
    ],
    "persistent": true,
    "type": "module"
  },
  "browser_action": {
    "default_title": "TabNotion",
    "default_popup": "popup/index.html",
    "default_icon": {
      "16": "assets/icon16.png",
      "24": "assets/icon24.png",
      "32": "assets/icon32.png",
      "48": "assets/icon48.png",
      "128": "assets/icon128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6c09a135-6c87-4d2e-9f71-2b5098fb400e}"
    }
  }
}