Quick Countdown Timer

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "Quick Countdown Timer",
    "version": "1.0.0",
    "description": "A simple, elegant countdown timer for productivity and time management",
    "permissions": [
        "storage",
        "notifications",
        "alarms",
        "tts"
    ],
    "action": {
        "default_popup": "popup.html",
        "default_title": "Quick Countdown Timer",
        "default_icon": {
            "16": "icons\/icon16.png",
            "48": "icons\/icon48.png",
            "128": "icons\/icon128.png"
        }
    },
    "background": {
        "service_worker": "background.js",
        "type": "module"
    },
    "icons": {
        "16": "icons\/icon16.png",
        "48": "icons\/icon48.png",
        "128": "icons\/icon128.png"
    },
    "host_permissions": [],
    "web_accessible_resources": [
        {
            "resources": [
                "sounds\/*.mp3"
            ],
            "matches": [
                "<all_urls>"
            ]
        }
    ]
}