feat: add "sync" pane to preferences -> account tab (#621)

* feat: add "sync" pane to preferences -> account tab

* chore: configure eslint to add new line at the end of file and remove trailing spaces

* chore: add newline at the end of file

app/assets/javascripts/preferences/panes/AccountPreferences.tsx

@@ -0,0 +1,12 @@
+import { Sync } from '@/preferences/panes/account';
+import { PreferencesPane } from '@/preferences/components';
+import { observer } from 'mobx-react-lite';
+import { WebApplication } from '@/ui_models/application';
+
+export const AccountPreferences = observer(({application}: {application: WebApplication}) => {
+  return (
+    <PreferencesPane>
+      <Sync application={application} />
+    </PreferencesPane>
+  );
+});