reEsp32 for ESP32 / ESP-IDF

ESP32 system functions and utilites (ESP-IDF)

Dependencies:

• https://github.com/kotyara12/rLog
• https://github.com/kotyara12/reLed

Notes:

• libraries starting with the re prefix are only suitable for ESP32 and ESP-IDF
• libraries starting with the ra prefix are only suitable for ARDUINO compatible code
• libraries starting with the r prefix can be used in both cases (in ESP-IDF and in ARDUINO)