How to program ESP32 with Arduino IDE - GitMasterNikanjam/Arduino_WiKi GitHub Wiki

You can use the Arduino-ESP32 Online Documentation to get all information about this project.

Github Link: Arduino core for the ESP32 : https://github.com/espressif/arduino-esp32

Also, there are numerous links available to help you get started with learning how to work with ESP32.
The relevant links are placed below:

https://lastminuteengineers.com/getting-started-with-esp32/
https://microcontrollerslab.com/esp32-development-board/
https://www.electronicwings.com/esp32/introduction-to-esp32
https://deepbluembedded.com/getting-started-with-esp32-programming-tutorials/
https://makeradvisor.com/esp32-development-boards-review-comparison/
https://randomnerdtutorials.com/getting-started-with-esp32/