repo: update readme example

shoenig · shoenig · commit 7ce1e23633ed · 2025-11-01T06:52:09.000-05:00
diff --git a/README.md b/README.md
@@ -24,6 +24,9 @@ sitemap = append(sitemap, &sitemaps.URL{
   Frequency: sitemaps.Weekly,
   Priority:  sitemaps.Low,
 })
+
+// w is io.Writer (e.g. http.ResponseWriter)
+_ = sitemap.Write(w)
 ```
 
 ### License
