Update sitemap: add time-series-cross-validation post + bump homepage lastmod

Author: coyevans13

sitemap.xml

@@ -2,7 +2,7 @@
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
   <url>
     <loc>https://codefixsolution.com/</loc>
-    <lastmod>2026-04-22</lastmod>
+    <lastmod>2026-05-15</lastmod>
     <changefreq>weekly</changefreq>
     <priority>1.0</priority>
   </url>
@@ -108,4 +108,10 @@
     <changefreq>monthly</changefreq>
     <priority>0.8</priority>
   </url>
+  <url>
+    <loc>https://codefixsolution.com/time-series-cross-validation-sports-models/</loc>
+    <lastmod>2026-05-05</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.8</priority>
+  </url>
 </urlset>