wip: moved files to new structure

quad/src/quad_app/quadposition.h

quad/src/quad_app/send_actuator_commands.c

quad/src/quad_app/send_actuator_commands.h

quad/src/quad_app/sensor.c

quad/src/quad_app/sensor.h

quad/src/quad_app/sensor_processing.c

quad/src/quad_app/sensor_processing.h

quad/src/quad_app/timer.c

quad/src/quad_app/timer.h

quad/src/quad_app/type_def.h

quad/src/quad_app/update_gui.c

quad/src/quad_app/update_gui.h

quad/src/quad_app/user_input.c

quad/src/quad_app/user_input.h

quad/src/quad_app/util.c

quad/src/quad_app/util.h

quad/src/queue/.gitignore

quad/src/queue/Makefile

quad/src/queue/queue.c

quad/src/queue/queue.h