docs(changelog): add theme tweaks and AI chat typing lag fix entries

src/pages/changelog.astro

@@ -51,6 +51,7 @@ import BaseLayout from '../layouts/BaseLayout.astro';
                 <li><strong>Git Panel.</strong> Made the Git panel buttons look and feel the same.</li>
                 <li><strong>Semantic Search.</strong> Added support for Markdown in the Semantic Search database.</li>
                 <li><strong>YOLO Mode.</strong> Added YOLO mode that can be enabled in <code>Settings-&gt;Configuration</code>. This lets models run without interrupting you.</li>
+                <li><strong>Themes.</strong> Tweaked themes for better contrast, colors and readability.</li>
               </ul>
             </div>
 
@@ -64,6 +65,7 @@ import BaseLayout from '../layouts/BaseLayout.astro';
                 <li><strong>Git Panel.</strong> Fixed a bug in the Git panel that resulted in it being impossible to push the very first commit.</li>
                 <li><strong>Internal Commands.</strong> Fixed internal commands exit output to be sent to the model.</li>
                 <li><strong>Zaguán Terminal.</strong> Working on making the Zaguán Terminal coherent and not launch a new instance every time. <em>(WIP)</em></li>
+                <li><strong>AI Chat.</strong> Fixed a bug that caused typing lag in the chat input.</li>
               </ul>
             </div>