Added "tooltip"

ref #93

src/components/scanstations/CopyScanStationTokenModal.svelte

@@ -106,6 +106,7 @@
                         d="M7 4V2h10v2h3l1 1v16a1 1 0 01-1 1H4a1 1 0 01-1-1V5l1-1h3zm0 2H5v14h14V6h-2v2H7V6zm2-2v2h6V4H9z" /></svg>
                   </div>
                 </div>
+                <p class="text-gray-500 text-xs">{$_('click-to-copy-token-to-clipboard')}</p>
               </div>
             </div>
           </div>