shortcuts by SqYtCO

The WebExtension allows switching tabs with CTRL+[1-9] without disabling ALT+[1-9]. (only useful for Linux users) Source: <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/5cba0b7e90e2efd5542f6a2da9a1faf1eeee2dc3f3ae77e8b7236b616ae922a6/https%3A//github.com/SqYtCO/shortcuts" rel="nofollow">https://github.com/SqYtCO/shortcuts</a>