feat(status_bar): add help item

apps/client/src/widgets/NoteStatusBar.tsx

@@ -1,11 +1,19 @@
+import { t } from "../services/i18n";
+import { openInAppHelpFromUrl } from "../services/utils";
 import "./NoteStatusBar.css";
+import { FormListItem } from "./react/FormList";
 
 import { NoteLanguageSelector } from "./ribbon/BasicPropertiesTab";
 
 export default function NoteStatusBar() {
     return (
         <div className="note-status-bar">
-            <NoteLanguageSelector />
+            <NoteLanguageSelector extraChildren={(
+                <FormListItem
+                    onClick={() => openInAppHelpFromUrl("veGu4faJErEM")}
+                    icon="bx bx-help-circle"
+                >{t("note_language.help-on-languages")}</FormListItem>
+            )} />
         </div>
     );
 }