Add phone field to color request form and database

app/upadaj/requests/page.tsx

@@ -11,6 +11,7 @@ interface ColorRequest {
   material_type: string;
   finish_type: string;
   user_email: string;
+  user_phone: string;
   user_name: string;
   description: string;
   reference_url: string;
@@ -215,6 +216,13 @@ export default function ColorRequestsAdmin() {
                         ) : (
                           <span className="text-gray-400 dark:text-gray-500">Anonimno</span>
                         )}
+                        {request.user_phone && (
+                          <div className="mt-1">
+                            <a href={`tel:${request.user_phone}`} className="text-blue-600 dark:text-blue-400 hover:underline">
+                              {request.user_phone}
+                            </a>
+                          </div>
+                        )}
                       </div>
                     </td>
                     <td className="px-4 py-3">