GPS implementation (#216)

Implemented basic GPS support:
- GPS HAL
- GPS Service
- GPS Settings app

TactilityHeadless/Include/Tactility/service/gps/GpsUtil.h

@@ -0,0 +1,10 @@
+#pragma once
+
+#include <minmea.h>
+
+namespace tt::hal::gps {
+
+/** @return true when the input float is valid (contains non-zero values) */
+inline bool isValid(const minmea_float& inFloat) { return inFloat.value != 0 && inFloat.scale != 0; }
+
+}