Fix maps link on homepage

Changed /maps to /biblical-maps to match actual route.

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Co-Authored-By: Claude <noreply@anthropic.com>

kjvstudy_org/templates/index.html

@@ -579,7 +579,7 @@ section h2 {
     <div class="interactive-grid">
         <a href="/family-tree" class="topic-link">Genealogies & Family Trees</a>
         <a href="/biblical-timeline" class="topic-link">Biblical Timeline</a>
-        <a href="/maps" class="topic-link">Maps</a>
+        <a href="/biblical-maps" class="topic-link">Maps</a>
         <a href="/stories" class="topic-link">Bible Stories</a>
     </div>
 </section>