Change /talks to /presentations

source/_includes/presentation/slides.html.twig

@@ -0,0 +1,15 @@
+{% if speakerdeck.id %}
+  <section>
+    <h2>Slides</h2>
+
+   <div>
+     <noscript>**Please enable JavaScript to view slides.**</noscript>
+     <script
+       class="speakerdeck-embed"
+       data-id="{{ speakerdeck.id }}"
+       data-ratio="{{ speakerdeck.ratio ?? '1.29456384323641' }}"
+       src="//speakerdeck.com/assets/embed.js"
+     ></script>
+    </div>
+  </section>
+{% endif %}