Lenovo K5 Pro L38041 (SD636, 6/64)

Hope device from subject will get /E/ support soon.
Here is specs
Good specs for affordable price about 110$
As i know there is unofficial Lineageos 16 GSI for it(link link2)
Here is TWRP for this device
Here is topic about this device on 4pda, but unfortunately it’s on russian only.

What do we need to compile e for this device?