chunkmeshdata use chunk_index_t. squash into chunkmeshdata creation commit

include/chunkmeshdata.hpp

@@ -1,12 +1,15 @@
 #ifndef CHUNK_MESH_DATA_H
 #define CHUNK_MESH_DATA_H
 
+#include <oneapi/tbb/concurrent_queue.h>
+#include "chunk.hpp"
+
 enum class ChunkMeshDataType{
     MESH_UPDATE
 };
 
 typedef struct ChunkMeshData{
-    int32_t index;
+    chunk_index_t index;
     glm::vec3 position;
     int num_vertices = 0;