add compatibility to ESP-IDF

[anthonyhoegberg]

Could we add a cmakelist file for the project so we can include it as a component in esp-idf based projects that does not use platformio or arduino ide

[github-actions]

The following fields are missing: Description, Steps to Reproduce, Expected Behavior, Actual Behavior, Environment, IDE. Please update the issue with this information.

[RobertByrnes]

Hi @anthonyhoegberg Yes this is a great idea. Have you done this yourself with this code base? If so, what could you share / pr to make this happen? Any help with this appreciated.

[anthonyhoegberg]

I tried my best on this at the time for a few weeks and failed horribly sorry