Merge PR #386 - add beep demo face

Allows the user manually trigger all 87 buzzer notes.

Reviewed-by: Matheus Afonso Martins Moreira <matheus@matheusmoreira.com>
Tested-on-hardware-by: Wesley Black <hello@wesleyblack.ca>
GitHub-Pull-Request: https://github.com/joeycastillo/Sensor-Watch/pull/386

movement/movement_faces.h

@@ -114,6 +114,7 @@
 #include "simon_face.h"
 #include "simple_calculator_face.h"
 #include "alarm_thermometer_face.h"
+#include "beeps_face.h"
 // New includes go above this line.
 
 #endif // MOVEMENT_FACES_H_