Wrong hint about --dry-run in react-monorepo.md

[gabsprates]

Documentation issue

• Reporting a typo
• Reporting a documentation bug
• Documentation improvement
• Documentation feedback

Is there a specific documentation page you are reporting?

https://nx.dev/getting-started/tutorials/react-monorepo-tutorial#adding-another-application

Additional context or description

The text says:

Note how we append --dry-run to first check the output.

But:

1. there's no --dry-run flag included in the command;
2. the actual flag is --dryRun; and
3. it doesn't actually works for playwright, which shows a wrong error message with also the wrong flag.
   • maybe a hint like "playwright doesn't supports the --dryRun flag" would be good.

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I'll be glad to send a PR with this correction.