Hi Mendo, Welcome 
You tried any of the examples posted up here? for “Round Display” I have done a few and the web page one is more involved IMO. I would try some of the others and you will easily learn what you do to get it going. post any Code you have or Q’s etc. lots of smart folks here to help.
Round Display with Xiao Nrf52840 Sense ,TFT_eSPI , LVL Example
HTH
GL 
PJ