Add link to documentation in warning (#33673)

Summary:
Pull Request resolved: #33673

This PR solves a TODO in a script that required a link to the documentation on the website.

## Changelog

[iOS][Changed] - Adding a link in a message for the users.

Reviewed By: cortinico

Differential Revision: D35742810

fbshipit-source-id: b7416a5bead5fa525ca69f05391b307195f5c987

Author: Riccardo Cipolleschi

scripts/xcode/with-environment.sh

@@ -37,7 +37,7 @@ else
        "echo 'export NODE_BINARY=$(command -v node)' > .xcode.env " \
        "in the ios folder. This is needed by React Native to work correctly. " \
        "We fallback to the DEPRECATED behavior of finding `node`. This will be REMOVED in a future version. " \
-       "You can read more about this here: <TODO-ADD LINK HERE>" >&2
+       "You can read more about this here: https://reactnative.dev/docs/environment-setup#optional-configuring-your-environment" >&2
     source "../find-node-for-xcode.sh"
 fi