feat!: rework header files

inc/core/vbo.hpp

@@ -0,0 +1,23 @@
+#ifndef VBO_HPP
+#define VBO_HPP
+
+#include <stddef.h>
+
+#include "glad/glad.h"
+
+class VBO
+{
+ private:
+  unsigned int id;
+
+ public:
+  VBO();
+  ~VBO();
+
+  void setData(const GLfloat* vertices, size_t size);
+
+  void bind();
+  void unbind();
+};
+
+#endif