fix and refactor ContentLUT

src/objects/EntityDef.hpp

@@ -0,0 +1,16 @@
+#ifndef OBJECTS_ENTITY_DEF_HPP_
+#define OBJECTS_ENTITY_DEF_HPP_
+
+#include <string>
+
+#include "../typedefs.hpp"
+
+struct EntityDef {
+    /// @brief Entity string id (with prefix included)
+    std::string const name;
+    
+    EntityDef(const std::string& name);
+    EntityDef(const EntityDef&) = delete;
+};
+
+#endif // OBJECTS_ENTITY_DEF_HPP_