Initial

include/wordclock_functions.h

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+#ifndef WORDCLOCK_FUNCTIONS_H
+#define WORDCLOCK_FUNCTIONS_H
+
+#include <Arduino.h>
+
+int show_string_on_clock(String message, uint32_t color);
+String time_to_string(uint8_t hours, uint8_t minutes);
+void draw_minute_indicator(uint8_t minutes, uint32_t color);
+
+#endif  /* WORDCLOCK_FUNCTIONS_H */