feat: add header to xml output

1 files changed, 2 insertions, 1 deletions

diff --git a/xml.go b/xml.go
index 3471bba..400ae8e 100644
--- a/xml.go
+++ b/xml.go
@@ -43,5 +43,6 @@ func toSitemap(seen map[url.URL]int) (string, error) {
 		return "", err
 	}
 
-	return string(output), nil
+	withHeader := fmt.Sprintf("%s\n%s", xml.Header, output)
+	return withHeader, nil
 }