fix(storage): add missing io.Copy

pkg/svg/storage.go

@@ -69,6 +69,10 @@ func (f FileSvgStorage) CreatePublic(data io.Reader, filetype string) (string, e
 		return "", err
 	}
 	defer file.Close()
+	_, err = io.Copy(file, data)
+	if err != nil {
+		return "", err
+	}
 
 	return strings.TrimPrefix(file.Name(), path), nil
 }