Limit time on websites chrome

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "Limit time on websites chrome  ",
    "version": "1.0.0",
    "description": "Enable this extension to set a time limit on any website and block it automatically when time's up ",
    "permissions": [
        "storage",
        "tabs",
        "notifications"
    ],
    "host_permissions": [
        "<all_urls>"
    ],
    "icons": {
        "16": "icon.png",
        "48": "icon.png",
        "128": "icon.png"
    },
    "action": {
        "default_icon": {
            "16": "icon.png",
            "48": "icon.png",
            "128": "icon.png"
        },
        "default_popup": "popup.html",
        "options_page": "options.html"
    },
    "background": {
        "service_worker": "background.js"
    },
    "content_scripts": [
        {
            "matches": [
                "<all_urls>"
            ],
            "js": [
                "content.js"
            ],
            "css": [
                "content.css"
            ],
            "run_at": "document_idle"
        }
    ]
}