Timer for Google Meet

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Timer for Google Meet",
    "description": "Realtime timer for google meet.",
    "default_locale": "en",
    "version": "10.0",
    "author": "DGT",
    "permissions": [
        "storage"
    ],
    "host_permissions": [
        "https:\/\/zoom.us\/*",
        "https:\/\/*.zoomgov.com\/*",
        "https:\/\/meet.google.com\/*",
        "https:\/\/*.gotomeet.me\/*",
        "https:\/\/*.gotowebinar.com\/*"
    ],
    "icons": {
        "16": ".\/src\/images\/logo_16.png",
        "32": ".\/src\/images\/logo_32.png",
        "48": ".\/src\/images\/logo_48.png",
        "128": ".\/src\/images\/logo_128.png"
    },
    "manifest_version": 3,
    "action": {
        "default_popup": "src\/popup.html"
    },
    "background": {
        "service_worker": "background.js"
    },
    "web_accessible_resources": [
        {
            "resources": [
                "src\/sounds\/ringtone.mp3",
                "\/images\/record.png",
                "\/images\/recimage.png",
                "\/images\/howto.jpg",
                "images\/down.png",
                "images\/8.gif"
            ],
            "matches": [
                "https:\/\/*.zoom.us\/*",
                "https:\/\/*.zoomgov.com\/*",
                "https:\/\/meet.google.com\/*",
                "https:\/\/*.gotomeet.me\/*",
                "https:\/\/*.gotowebinar.com\/*"
            ]
        }
    ],
    "content_scripts": [
        {
            "matches": [
                "https:\/\/*.zoom.us\/*",
                "https:\/\/zoomgov.com\/*",
                "https:\/\/meet.google.com\/*",
                "https:\/\/*.gotomeet.me\/*",
                "https:\/\/*.gotowebinar.com\/*"
            ],
            "js": [
                "src\/sdk\/socket.io-2.3.0.js",
                "src\/sdk\/sentry-5.21.1.js",
                ".\/src\/content.js"
            ],
            "css": [
                ".\/src\/styles.css"
            ]
        }
    ],
    "content_security_policy": {
        "extension_pages": "script-src 'self'; object-src 'self'"
    }
}