improved Modal with zoom and pagination. also implementing thumbnail generation

app/templates/settings.html

@@ -12,9 +12,15 @@
         <button type="submit" class="btn primary-btn">Trigger Image Import</button>
       </form>
 
+      <form action="{{ url_for('main.trigger_thumbnail_generation') }}" method="post" onsubmit="return confirm('Are you sure you want to regenerate all thumbnails?');">
+        <button type="submit" class="btn warning-btn">Regenerate Thumbnails</button>
+      </form>
+
+
       <form action="{{ url_for('main.reset_db') }}" method="post" onsubmit="return confirm('Are you sure you want to delete all image records? This action cannot be undone.');">
         <button type="submit" class="btn danger-btn">Reset Image Database</button>
       </form>
+
     </div>
   </div>