chore(seo): update sitemap with headphones reviews and comparison

Author: TechStack Global

sitemap.xml

@@ -180,4 +180,22 @@
     <changefreq>monthly</changefreq>
     <priority>0.8</priority>
   </url>
+  <url>
+    <loc>https://techstackglobal.github.io/posts/sony-wh-1000xm5-review.html</loc>
+    <lastmod>2026-03-03</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.8</priority>
+  </url>
+  <url>
+    <loc>https://techstackglobal.github.io/posts/bose-qc-ultra-review.html</loc>
+    <lastmod>2026-03-03</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.8</priority>
+  </url>
+  <url>
+    <loc>https://techstackglobal.github.io/posts/sony-xm5-vs-bose-qc-ultra.html</loc>
+    <lastmod>2026-03-03</lastmod>
+    <changefreq>monthly</changefreq>
+    <priority>0.8</priority>
+  </url>
 </urlset>