changed rgb deal, and improve memorybook with 2d

srcs/mem/memorybook_2d.c

@@ -0,0 +1,19 @@
+#include "cube3d.h"
+
+void	mb_add_2d(void **addr, int nb)
+{
+	while (nb)
+	{
+		mb_add(addr[nb]);
+		nb--;
+	}
+}
+
+void	mb_free_2d(void **addr, int nb)
+{
+	while (nb)
+	{
+		mb_free(addr[nb]);
+		nb--;
+	}
+}