Spotube - Youtube to Spotify extension

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Spotube - Youtube to Spotify extension",
    "version": "3.4",
    "manifest_version": 3,
    "description": "A two-click extension for easily adding YouTube songs to your Spotify playlists.",
    "action": {
        "default_icon": "icon-128.png",
        "default_popup": "popup.html",
        "default_title": "Spotube - Youtube to Spotify extension"
    },
    "content_scripts": [
        {
            "matches": [
                "*:\/\/*.youtube.com\/*",
                "*:\/\/*.soundcloud.com\/*"
            ],
            "js": [
                "content.js"
            ]
        },
        {
            "matches": [
                "*:\/\/*.youtube.com\/?code*"
            ],
            "run_at": "document_start",
            "js": [
                "libs\/oauth\/injection.js"
            ]
        }
    ],
    "background": {
        "service_worker": "background.js"
    },
    "permissions": [
        "tabs",
        "storage"
    ],
    "icons": {
        "128": "icon-128.png"
    },
    "web_accessible_resources": [
        {
            "resources": [
                "libs\/*\/*"
            ],
            "matches": [
                ""
            ]
        }
    ]
}