first working server

internal/utils/crypto.go

@@ -0,0 +1,15 @@
+package utils
+
+import (
+	"crypto/rand"
+	"encoding/base64"
+)
+
+func GenerateRandomString(length int) (string, error) {
+	bytes := make([]byte, length)
+	_, err := rand.Read(bytes)
+	if err != nil {
+		return "", err
+	}
+	return base64.URLEncoding.EncodeToString(bytes), nil
+}