Merge TactilityHeadless into Tactility (#263)

There currently is no practical use to have TactilityHeadless as a subproject. I'm merging it with the Tactility project.

Tactility/Source/hal/gps/GpsConfiguration.cpp

@@ -0,0 +1,51 @@
+#include "Tactility/hal/gps/GpsConfiguration.h"
+#include "Tactility/service/gps/GpsService.h"
+
+#include <Tactility/TactilityCore.h>
+#include <Tactility/file/ObjectFile.h>
+
+namespace tt::hal::gps {
+
+const char* toString(GpsModel model) {
+    using enum GpsModel;
+    switch (model) {
+        case AG3335:
+            return TT_STRINGIFY(AG3335);
+        case AG3352:
+            return TT_STRINGIFY(AG3352);
+        case ATGM336H:
+            return TT_STRINGIFY(ATGM336H);
+        case LS20031:
+            return TT_STRINGIFY(LS20031);
+        case MTK:
+            return TT_STRINGIFY(MTK);
+        case MTK_L76B:
+            return TT_STRINGIFY(MTK_L76B);
+        case MTK_PA1616S:
+            return TT_STRINGIFY(MTK_PA1616S);
+        case UBLOX6:
+            return TT_STRINGIFY(UBLOX6);
+        case UBLOX7:
+            return TT_STRINGIFY(UBLOX7);
+        case UBLOX8:
+            return TT_STRINGIFY(UBLOX8);
+        case UBLOX9:
+            return TT_STRINGIFY(UBLOX9);
+        case UBLOX10:
+            return TT_STRINGIFY(UBLOX10);
+        case UC6580:
+            return TT_STRINGIFY(UC6580);
+        default:
+            return TT_STRINGIFY(Unknown);
+    }
+}
+
+std::vector<std::string> getModels() {
+    std::vector<std::string> result;
+    for (GpsModel model = GpsModel::Unknown; model <= GpsModel::UC6580; ++(int&)model) {
+        result.push_back(toString(model));
+    }
+    return result;
+}
+
+}