Google Metronome

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "Google Metronome",
    "version": "2.2.0",
    "description": "Free Google Metronome online with audio and visual beats. Set BPM or tap the tempo. Perfect for practice sessions.",
    "homepage_url": "https:\/\/prepphint.com\/online-metronome\/",
    "background": {
        "service_worker": "background.js",
        "type": "module"
    },
    "action": {
        "default_popup": "popup.html",
        "default_icon": {
            "16": "images\/icon-16.png",
            "48": "images\/icon-48.png",
            "128": "images\/icon-128.png"
        }
    },
    "icons": {
        "16": "images\/icon-16.png",
        "48": "images\/icon-48.png",
        "128": "images\/icon-128.png"
    },
    "permissions": [
        "storage"
    ],
    "web_accessible_resources": [
        {
            "resources": [
                "images\/*",
                "sounds\/*"
            ],
            "matches": [
                "<all_urls>"
            ]
        }
    ],
    "content_security_policy": {
        "extension_pages": "script-src 'self'; object-src 'self'"
    }
}