Add memory utilities

mem/include/util/mem_utils.h

@@ -0,0 +1,8 @@
+#ifndef MEM_UTILS_H
+#define MEM_UTILS_H
+
+#include "aliases.h"
+
+void *mem_util_align_forward(void *ptr, u64 alignment);
+
+#endif // !MEM_UTILS_H