docs(changelog): add UI redesign and settings updates for v0.3.0

src/pages/changelog.astro

@@ -22,19 +22,30 @@ import BaseLayout from '../layouts/BaseLayout.astro';
 
 
 
-    <!-- v0.2.2 Section -->
+    <!-- v0.3.0 Section -->
     <section class="changelog-section">
       <div class="container">
         <div class="version-card version-development">
           <div class="version-header">
             <div class="version-info">
-              <h2 class="version-number">v0.2.2</h2>
+              <h2 class="version-number">v0.3.0</h2>
               <span class="version-date">TBD</span>
             </div>
             <span class="version-badge badge-development">Development</span>
           </div>
           
           <div class="version-content">
+            <div class="changes-section">
+              <h3 class="changes-title">
+                <span class="changes-icon">✨</span>
+                New Features
+              </h3>
+              <ul class="changes-list">
+                <li><strong>UI Redesign.</strong> Redesigned the whole application. It's now a lot more professional, calm and better structured.</li>
+                <li><strong>Settings.</strong> Added an About section in Settings.</li>
+              </ul>
+            </div>
+
             <div class="changes-section">
               <h3 class="changes-title">
                 <span class="changes-icon">✨</span>