manifest.json

{
    "manifest_version": 3,
    "name": "Tabs",
    "permissions": [
        "tabs"
    ],
    "version": "1.0.2",
    "description": "keyboard shortcuts for tab manipulation",
    "browser_specific_settings": {
        "gecko": {
            "id": "{fff1e37e-f6d5-4b42-b24c-ca20dd849c73}"
        }
    },
    "icons": {
        "128": "icon128.png"
    },
    "background": {
        "scripts": [
            "background.js"
        ]
    },
    "commands": {
        "move-tab-first": {
            "description": "Move tab to first position",
            "suggested_key": {
                "mac": "MacCtrl+H",
                "default": "Ctrl+H"
            }
        },
        "move-tab-left": {
            "description": "Move tab to the left",
            "suggested_key": {
                "mac": "MacCtrl+J",
                "default": "Ctrl+J"
            }
        },
        "move-tab-right": {
            "description": "Move tab to the right",
            "suggested_key": {
                "mac": "MacCtrl+K",
                "default": "Ctrl+K"
            }
        },
        "move-tab-last": {
            "description": "Move tab to last position",
            "suggested_key": {
                "mac": "MacCtrl+L",
                "default": "Ctrl+L"
            }
        },
        "pin-tab": {
            "description": "Pin Unpin Tab",
            "suggested_key": {
                "mac": "MacCtrl+P",
                "default": "Ctrl+P"
            }
        },
        "duplicate-tab": {
            "description": "Duplicate Tab",
            "suggested_key": {
                "mac": "MacCtrl+D",
                "default": "Ctrl+D"
            }
        },
        "close-tab": {
            "description": "Close Tab",
            "suggested_key": {
                "mac": "MacCtrl+W",
                "default": "Ctrl+W"
            }
        }
    }
}