Sonos group and ungroup in HADashboard

Hello there,

last week i started to expand my HA with HADashboard and im in love.
My Dashboard is pretty basic in the moment and at the moment im trying to put a button on the dashboard to group and ungroup my four sonos speaker but i have no idea how this coukd work.
Maybe theres a widget or something like this?

kind regards,

slofii