Implements Archetypes functions.

Adds tests for them.

sbf-cpp/Archetypes.cpp

@@ -0,0 +1,20 @@
+#include "Archetypes.h"
+#include <string>
+#include <vector>
+
+namespace SBF {
+    std::string GetArchetypeLabel(int archetypeId) {
+        if (archetypeId >= 0 && archetypeId <= kArchetypesCount) {
+            return kArchetypes[archetypeId];
+        }
+        return "";
+    }
+
+    void FillArchetypeLabels(std::vector<std::string>& labels) {
+        labels.clear();
+        for (int id = 0; id <= kArchetypesCount; id++) {
+            labels.push_back(GetArchetypeLabel(id));
+        }
+    }
+} // End namespace SBF
+