docs: update nx wrapper script documentation

Updated the README to reflect that nx.sh is no longer used and instead users should use an nx
alias to add --output-style=stream to all commands. This aligns with the current implementation
where the nx.sh wrapper script has been removed.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: webberwang

scripts/nx/README.md

@@ -5,31 +5,9 @@ This directory contains a wrapper script for the Nx CLI that adds default flags.
 ## Usage
 
 Instead of:
-```bash
-nx test backend-application-admin
-```
 
-Use:
 ```bash
-./scripts/nx/nx.sh test backend-application-admin
-```
-
-The wrapper automatically adds `--output-style=stream` to all commands.
-
-## Adding to PATH
-
-To use `nx` directly without the path, add this to your shell profile:
-
-```bash
-alias nx='./scripts/nx/nx.sh'
-```
-
-Or add the scripts directory to your PATH:
-
-```bash
-export PATH="$PATH:$(pwd)/scripts/nx"
+nx test backend-application-admin
 ```
 
-## Customizing
-
-Edit `nx.sh` to modify the DEFAULT_FLAGS variable to add or change default flags.
+Use an `nx alias` to add `--output-style=stream` to all commands.