Examine source code of Tab Snoozer

{
  "manifest_version": 3,
  "description": "Snooze tabs for later",
  "name": "Tab Snoozer",
  "author": "Rusty",
  "version": "1.0",
  "permissions": [
    "storage",
    "activeTab",
    "alarms"
  ],
  "background": {
    "scripts": [
      "sw.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon.png",
      "48": "icon.png",
      "128": "icon.png"
    }
  },
  "icons": {
    "16": "icon.png",
    "48": "icon.png",
    "128": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "rz.rustyzone@snooze.com",
      "strict_min_version": "109.0"
    }
  }
}