Merge pull request 'add clear method' (#3) from add-clear into pages

Reviewed-on: https://codeberg.org/macchiato/menu/pulls/3

dropdown.js

@@ -88,6 +88,10 @@ export class Dropdown extends HTMLElement {
     this.dialogEl.close()
   }
 
+  clear() {
+    this.dialogEl.replaceChildren()
+  }
+
   add(text, handler = undefined) {
     const btn = document.createElement('button')
     btn.innerText = text