how to install Merkuro!? - eviltoast

Hi, i have been using KDE (now on KDE Neon)for a while as my daily driver and have been wanting to improve the email/calendar situation.

I have seen Merkuro releases and announcements, but no instructions on how to install it!

Please help - how do i use Merkuro!?!? is there a flatpak or repo somewhere.

TIA