YouTube Subscription Highlighter

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "YouTube Subscription Highlighter",
    "version": "1.0",
    "description": "Highlight channels you are subscribed to on YouTube.",
    "permissions": [
        "identity",
        "storage",
        "scripting"
    ],
    "background": {
        "service_worker": "background.js"
    },
    "action": {
        "default_popup": "popup.html"
    },
    "content_scripts": [
        {
            "matches": [
                "*:\/\/www.youtube.com\/*"
            ],
            "js": [
                "content.js"
            ],
            "run_at": "document_end"
        }
    ],
    "host_permissions": [
        "https:\/\/www.googleapis.com\/"
    ]
}