implement save and load blueprints

src/lib/config/BlueprintSerializer.h

@@ -0,0 +1,14 @@
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "Blueprint.h"
+
+namespace BlueprintSerializer
+{
+
+std::string            serialize(const std::vector<Blueprint>& blueprints);
+std::vector<Blueprint> deserialize(const std::string& tomlContent);
+
+} // namespace BlueprintSerializer