docs(changelog): bump version to v0.7.0 and document AI Chat and CodeMirror improvements

- Update changelog version to v0.7.0
- Document AI Chat optimization inspired by T3Code
- Document CodeMirror editor optimization for performance

src/pages/changelog.astro

@@ -26,7 +26,7 @@ import BaseLayout from '../layouts/BaseLayout.astro';
         <div class="version-card version-development">
           <div class="version-header">
             <div class="version-info">
-               <h2 class="version-number">v0.6.2</h2>
+               <h2 class="version-number">v0.7.0</h2>
               <span class="version-date">TBD</span>
             </div>
             <span class="version-badge badge-development">Development</span>
@@ -40,6 +40,8 @@ import BaseLayout from '../layouts/BaseLayout.astro';
               </h3>
               <ul class="changes-list">
                 <li><strong>Dependencies.</strong> Updated Tauri to the latest version.</li>
+                <li><strong>AI Chat.</strong> Optimized the AI Chat based on technical inspiration from <a href="https://github.com/pingdotgg/t3code" target="_blank" rel="noopener">T3Code</a>.</li>
+                <li><strong>CodeMirror Editor.</strong> Optimized the CodeMirror editor to get React out of the way to make it faster, more reliable and better overall.</li>
                 <li><strong>Zaguán Coder Daemon.</strong> Enabled parallel tool calling for DeepSeek v4.</li>
                 <li><strong>Zaguán Coder Daemon.</strong> Fixed a bug that prevented Mistral 3.5 from working past the first response.</li>
                 <li><strong>Zaguán Blade.</strong> Created a new version of the AI Chat Panel.</li>