Fix homepage client layout to show 3 clients per row

- Wrap client cards in Bootstrap row container
- Each client uses col-md-4 for 3 columns per row on medium+ screens
- Maintains responsive design for smaller screens

wssshd2/templates/index.html

@@ -90,6 +90,7 @@ function updateClients() {
             if (data.count === 0) {
                 clientListHtml = '<div class="text-center py-5"><i class="fas fa-server fa-4x text-muted mb-3"></i><h4 class="text-muted">No clients registered</h4><p class="text-muted">Clients will appear here when they register.</p></div>';
             } else {
+                clientListHtml = '<div class="row">';
                 for (const [clientId, clientData] of Object.entries(data.clients)) {
                     const statusIcon = clientData.status === 'connected' ? 'fa-desktop text-success' : 'fa-server text-warning';
                     const statusText = clientData.status === 'connected' ? 'Connected' : 'Registered';
@@ -114,6 +115,7 @@ function updateClients() {
                             </div>
                         </div>`;
                 }
+                clientListHtml += '</div>';
             }
 
             // Update client list only if changed