explorer/site: Update transaction links on blocks page to use /tx/ path

This commit replaced the transaction link on the blocks page to use the `/tx/` path instead of `/transaction/`. This ensures the transaction URL aligns the updated transaction routing path.

script/research/blockchain-explorer/site/templates/block.html

@@ -49,7 +49,7 @@
         <h2 class="content-section-header">Block Transactions</h2>
         <ul>
             {% for transaction in transactions %}
-            <li><a href="../transaction/{{ transaction[0] }}">{{ transaction[0] }}</a></li>
+            <li><a href="../tx/{{ transaction[0] }}">{{ transaction[0] }}</a></li>
             {% endfor %}
         </ul>
     </div>