LasTabGuard: Stop Window From Closing With Last Tab

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "manifest_version": 3,
    "name": "LasTabGuard: Stop Window From Closing With Last Tab",
    "version": "1.0.0",
    "description": "Don't Close your Window by Accident. Save the Last Tab to keep your window open and prevent you from Losing the active Work Session.",
    "author": "Vadym Trebushnyi(CepeshRC)",
    "permissions": [
        "storage",
        "tabs",
        "notifications",
        "scripting"
    ],
    "host_permissions": [
        "https:\/\/extensionpay.com\/*",
        "<all_urls>"
    ],
    "background": {
        "service_worker": "background.js"
    },
    "action": {
        "default_popup": "popup.html",
        "default_title": "LasTabGuard",
        "default_icon": {
            "16": "assets\/icons\/icon16.png",
            "32": "assets\/icons\/icon32.png",
            "48": "assets\/icons\/icon48.png"
        }
    },
    "content_scripts": [
        {
            "matches": [
                "https:\/\/extensionpay.com\/*"
            ],
            "js": [
                "ExtPay.js"
            ],
            "run_at": "document_start"
        }
    ],
    "options_page": "options\/options.html",
    "icons": {
        "16": "assets\/icons\/icon16.png",
        "32": "assets\/icons\/icon32.png",
        "48": "assets\/icons\/icon48.png",
        "128": "assets\/icons\/icon128.png"
    },
    "web_accessible_resources": [
        {
            "resources": [
                "anchor\/*",
                "assets\/icons\/*",
                "assets\/fonts\/orbiton\/*",
                "assets\/fonts\/montserrat\/*",
                "assets\/vendor\/fontawesome\/webfonts\/*",
                "success\/*"
            ],
            "matches": [
                "<all_urls>"
            ]
        }
    ]
}