An Arduino library parse commands from a .txt file.
Inspired from kroimon
The original version of this library was written by Steven Cogswell (published May 23, 2011 in his blog post "A Minimal Arduino Library for Processing Serial Commands").
This is a totaly modified version.
Tested with esp32
👉 After uploading the code, also upload the .txt-file from folder "data" to the SPIFFS of the ESP32