Integrating BT controlled adjustable bed

I have a Reverie 5D Adjustable Bed with BT module installed.
It looks like the BT control is compatible with Serta (the same BT module advertised for Serta and everie adjustable beds) and possible with Tempurpedic.
My main Home Automation controller is Hubitat Elevation but Home Assistant is already added to the system and used as a supplemental controller mainly for controlling BT devices.
I actually found few looks like successful adjustable bed integrations with Home Assistant.
But since I am not a SW person I have very hard time to understand what exactly to install from Github repositories and how thing should be used. Unfortunately general instructions may not be enough and I will need more detailed guidance.

So, can someone point me to the potential integration source(s) and provide an installation
instructions?