fix (react-native-web-example): add tui to turbo config (#9334)

### Description

- Adding `ui` to the `turbo.json` allows to have interactive tasks

#1235 (comment)

### Testing Instructions

1. Create a new project `npx create-turbo@latest -e
with-react-native-web`
2. Run `pnpm run dev`
3. It opens a new terminal UI

Author: mcnaveen

examples/with-react-native-web/turbo.json

@@ -1,5 +1,6 @@
 {
   "$schema": "https://turbo.build/schema.json",
+  "ui": "tui",
   "tasks": {
     "build": {
       "inputs": ["$TURBO_DEFAULT$", ".env*"],