add lua engine, lua file, server, client, vehicle data, other stuff

include/VehicleData.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include <string>
+
+class TVehicleData final {
+public:
+    TVehicleData(int ID, const std::string& Data);
+
+    bool IsInvalid() const { return _ID == -1; }
+    int ID() const { return _ID; }
+
+    std::string Data() const { return _Data; }
+    void SetData(const std::string& Data) { _Data = Data; }
+
+private:
+    int _ID { -1 };
+    std::string _Data;
+};