stdout_color_sinks.h

Hey!
Thanks you for your work, I am trying to compile and I think the https://github.com/gabime/spdlog is missing like a submodule?
~~~
Nonograms/include/logger.h:8:10: fatal error: spdlog/sinks/stdout_color_sinks.h: Aucun fichier ou dossier de ce type
    8 | #include <spdlog/sinks/stdout_color_sinks.h>
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
compilation terminated.
~~~