YouTube Music Manager

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "YouTube Music Manager",
    "version": "1.2.0",
    "description": "Extension adds volume percentages, improves slider responsiveness, and features Auto-Pause to smartly manage playback with media.",
    "action": {
        "default_icon": {
            "16": "icon.png",
            "48": "icon.png",
            "128": "icon.png"
        },
        "default_popup": "popup.html"
    },
    "icons": {
        "16": "icon.png",
        "48": "icon.png",
        "128": "icon.png"
    },
    "content_scripts": [
        {
            "matches": [
                "*:\/\/music.youtube.com\/*"
            ],
            "js": [
                "index.js"
            ],
            "run_at": "document_end"
        }
    ],
    "host_permissions": [
        "https:\/\/music.youtube.com\/*"
    ],
    "permissions": [
        "tabs",
        "storage",
        "scripting"
    ],
    "background": {
        "service_worker": "background.js"
    }
}