Add missing export for NcTimezonePicker

Signed-off-by: Ferdinand Thiessen <rpm@fthiessen.de>

Author: susnux

src/components/index.js

@@ -84,4 +84,5 @@ export { default as NcSelect } from './NcSelect/index.js'
 export { default as NcSelectTags } from './NcSelectTags/index.js'
 export { default as NcSettingsSection } from './NcSettingsSection/index.js'
 export { default as NcTextField } from './NcTextField/index.js'
+export { default as NcTimezonePicker } from './NcTimezonePicker/index.js'
 export { default as NcUserBubble } from './NcUserBubble/index.js'