How to build for ESP32

Below was taken from the unify README

• install the Arduino IDE and tell it your default workbook folder is ..\Documents\Arduino.
• In ...\Documents\Arduino create two sub directories
  • ...\Documents\Arduino\Libraries
  • ...\Documents\Arduino\Tools
• Download / Clone the libraries identified in this readme (above) into sub directories in the ...\Arduino\libraries directory
• Download the littleFS utility into the Tools directory
• Clone ESPixelStick-Unify into ...\Documents\Arduino\ESPixelStick
• Create the ...\Documents\Arduino\ESPixelStick\src\secrets.h file and enter your WiFi ID and WiFi Password as described in WiFiMgr.cpp
• Connect your LoLin D32 PRO to the computer using a USB cable (not the Serial Port the gets opened)
• In the ESPixelStick directory double click on the ESPixelStick.ino file
• In the Arduino IDE click: File->Preferences
  • Make sure the Sketchbook location is set to point at your Arduino directory (note ESPixelStick dir)
• Set the following into the "Additional Boards Manager URLs" field: https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json,https://arduino.esp8266.com/stable/package_esp8266com_index.json
• Exit the preferences menu
• Click on Tools->Board->ESP32->LOLIN D32 PRO
• Next click on Tools->PSRAM->enabled
• Set the port on which the LoLin is connected: Tools->port->YourPortNumberGoesHere
• Click Sketch->Upload - This will build and upload to the LoLin device