Skins for YouTube player

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "__MSG_app_name__",
    "description": "__MSG_app_description__",
    "version": "2.4.0",
    "manifest_version": 3,
    "default_locale": "en",
    "background": {
        "service_worker": "\/resources\/js\/background.js"
    },
    "content_scripts": [
        {
            "css": [
                "\/resources\/css\/content.css"
            ],
            "js": [
                "\/resources\/js\/preload_skins.js",
                "\/resources\/js\/template.js",
                "\/resources\/js\/main_content.js",
                "\/resources\/js\/content.js",
                "\/resources\/js\/onoff.js",
                "\/resources\/js\/boostvolume.js",
                "\/resources\/js\/alwayshd.js",
                "\/resources\/js\/content_init.js",
                "\/resources\/js\/skinbutton.js"
            ],
            "matches": [
                "*:\/\/*.youtube.com\/*",
                "*:\/\/*.youtube-skins.com\/*"
            ],
            "all_frames": true,
            "run_at": "document_start"
        },
        {
            "world": "MAIN",
            "matches": [
                "*:\/\/*.youtube.com\/*",
                "*:\/\/*.youtube-skins.com\/*"
            ],
            "js": [
                "\/resources\/js\/injected.js"
            ],
            "run_at": "document_start"
        }
    ],
    "action": {
        "default_popup": "popup.html",
        "default_title": "__MSG_app_popup__",
        "default_icon": {
            "16": "\/resources\/images\/icons\/16x16.png",
            "32": "\/resources\/images\/icons\/32x32.png",
            "48": "\/resources\/images\/icons\/48x48.png",
            "64": "\/resources\/images\/icons\/64x64.png",
            "128": "\/resources\/images\/icons\/128x128.png",
            "256": "\/resources\/images\/icons\/256x256.png"
        }
    },
    "icons": {
        "16": "\/resources\/images\/icons\/16x16.png",
        "32": "\/resources\/images\/icons\/32x32.png",
        "48": "\/resources\/images\/icons\/48x48.png",
        "64": "\/resources\/images\/icons\/64x64.png",
        "128": "\/resources\/images\/icons\/128x128.png",
        "256": "\/resources\/images\/icons\/256x256.png"
    },
    "permissions": [
        "storage",
        "tabs",
        "activeTab",
        "scripting"
    ],
    "host_permissions": [
        "*:\/\/*.youtube.com\/*",
        "*:\/\/*.youtube-skins.com\/*"
    ],
    "web_accessible_resources": [
        {
            "resources": [
                "\/resources\/images\/*",
                "\/resources\/js\/*"
            ],
            "matches": [
                "<all_urls>"
            ]
        }
    ],
    "externally_connectable": {
        "matches": [
            "*:\/\/*.youtube-skins.com\/*"
        ]
    }
}