Update README

MahanRahmati · MahanRahmati · commit 8f518d9b1e7f · 2022-05-27T22:10:29.000+04:30
diff --git a/README.md b/README.md
@@ -98,6 +98,7 @@ See [ROADMAP](./ROADMAP.md).
 | ArnaAutocomplete          | Autocomplete                  | -                                     |
 | ArnaCheckbox              | Checkbox                      | -                                     |
 | ArnaCheckboxListTile      | CheckboxListTile              | -                                     |
+| ArnaDropdownButton        | DropdownButton                | -                                     |
 | ArnaPopupMenu             | PopupMenu                     | CupertinoContextMenu                  |
 | ArnaRadio                 | Radio                         | -                                     |
 | ArnaRadioListTile         | RadioListTile                 | -                                     |
