chore: reorder part two

internal/shared/utility/hash.go

@@ -0,0 +1,19 @@
+package utility
+
+import (
+	"crypto/sha512"
+	"encoding/hex"
+	"io"
+)
+
+func HashReader(r io.Reader) (string, error) {
+	h := sha512.New()
+	if _, err := io.Copy(h, r); err != nil {
+		return "", err
+	}
+
+	// return the sha checksum in hex
+	return hex.EncodeToString(h.Sum(nil)), nil
+	// alternatively return in base64
+	//return base64.StdEncoding.EncodeToString(h.Sum(nil)), nil
+}