ESP32 Heltec wifi LoRa, Waveshare e-Paper 4.2", how to connect via SPI and how to display something on the display (which library to use)?

Question

I am trying to connect a Waveshare e-Paper display via SPI to the ESP32 board, but I can\'t get it to work. I am new to the electronics aspect, so I am not sure if I am conn