This is the core ESP-IDF library for Soulmate.
All the command-line examples are now out of date - head to https://www.soulmatelights.com/ to use the IDE.
The IDE is now open-source at https://github.com/Soulmate-Lights/soulmate-ide
If you're interested in learning more, please join the Discord and say hi!
There's also the Wokwi Discord where we talk about the Wokwi Arduino emulator.