Add config.cpp/hpp
    - macros for all input and output pins
    - gloabl evaluated switch objects
    - buzzer object
    - display config
    - encoder config
Move main.c to main.cpp and adjust code to be c++ compatible
add custom library evaluated switch (copied from armchair project)
add buzzer object (copied from armchair project)
add control.cpp/hpp with control task (no function yet)