fix markdown creation for new services

Signed-off-by: jkoberg <jkoberg@owncloud.com>

docs/helpers/markdowncreation.go

@@ -66,6 +66,11 @@ func generateMarkdown(filepath string, servicename string) error {
 		return err
 	}
 
-	targetFile := fmt.Sprintf("../../docs/services/%s/_index.md", servicename)
-	return os.WriteFile(targetFile, b.Bytes(), os.ModePerm)
+	path := fmt.Sprintf("../../docs/services/%s", servicename)
+
+	if err := os.Mkdir(path, os.ModePerm); err != nil && !os.IsExist(err) {
+		return err
+	}
+
+	return os.WriteFile(path+"/_index.md", b.Bytes(), os.ModePerm)
 }