Update getting-started.md (#4909)

Add TanStack Start CLI option

Author: arackaf

docs/start/framework/react/getting-started.md

@@ -5,7 +5,6 @@ title: Getting Started
 
 To set up a TanStack Start project, you can:
 
-<!-- - Use the [TanStack Start CLI](https://github.com/tanstack/start/tree/main/packages/start-cli) to generate a new project and learn as you go -->
-
+- Use the [TanStack Start CLI](https://github.com/TanStack/create-tsrouter-app/blob/main/cli/create-start-app/README.md) via `npx create-start-app@latest`
 - Use the [Quick Start Examples](../quick-start) to rapidly learn as you go
 - [Build a project from scratch](../build-from-scratch) to learn how TanStack Start works from the ground up