Tab Duplicate

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Tab Duplicate",
    "description": "This extension adds a shortcut to duplicate a tab.",
    "version": "1.2.0",
    "author": "Bengt Brodersen",
    "manifest_version": 3,
    "permissions": [],
    "background": {
        "service_worker": "background.js"
    },
    "commands": {
        "duplicate-tab": {
            "suggested_key": {
                "default": "Alt+T",
                "mac": "Alt+T"
            },
            "description": "Duplicated Tab"
        }
    },
    "icons": {
        "16": "icon-16.png",
        "48": "icon-48.png",
        "128": "icon-128.png"
    }
}