show popup that address is copied on click

public/index.html

@@ -58,6 +58,13 @@
       <h1>WildDuck Aliases</h1>
     </div>
     <div id="container"></div>
+    <div class="toast-container position-fixed top-0 end-0 p-3">
+      <div id="copyToast" class="toast" role="alert" aria-live="assertive" aria-atomic="true">
+        <div class="toast-body">
+          Copied!
+        </div>
+      </div>
+    </div>
   </div>
 </body>
 

public/index.js

@@ -37,7 +37,11 @@ function deleteAlias(id) {
 }
 
 function copyToClipboard(text) {
-    navigator.clipboard.writeText(text)
+    navigator.clipboard.writeText(text).then(() => {
+        const toastElement = document.getElementById('copyToast');
+        const toast = new bootstrap.Toast(toastElement);
+        toast.show();
+    });
 }
 
 const defaultTemplate = `