Sound Booster that Works!

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "__MSG_extName__",
    "description": "__MSG_description__",
    "version": "1.8",
    "default_locale": "en",
    "manifest_version": 3,
    "icons": {
        "64": "assets\/icon.png"
    },
    "permissions": [
        "tabs",
        "storage"
    ],
    "host_permissions": [
        "<all_urls>"
    ],
    "action": {
        "default_title": "__MSG_extName__",
        "default_icon": "assets\/icon.png"
    },
    "background": {
        "service_worker": "bg.js"
    },
    "content_scripts": [
        {
            "matches": [
                "<all_urls>"
            ],
            "js": [
                "content.js"
            ],
            "all_frames": true,
            "run_at": "document_start"
        }
    ],
    "commands": {
        "_execute_action": []
    },
    "options_page": ".\/options.html",
    "web_accessible_resources": [
        {
            "resources": [
                "assets\/*",
                "audio.js"
            ],
            "matches": [
                "<all_urls>"
            ]
        }
    ]
}