initialise a memory structure or smth

Signed-off-by: Amneesh Singh <natto@weirdnatto.in>

src/util/utils.hh

@@ -0,0 +1,10 @@
+#pragma once
+
+#include <string>
+
+// Why I wrote this myself? I do not know
+// I will off myself 😹😹😹😹
+namespace crypto {
+std::string
+sha256(const uint8_t* data, const size_t size);
+}