Build should stop if npm fails

[netmindz]

What happened?

If npm run build fails, stop the build. Don't give cryptic errors later

To Reproduce Bug

Fail to run npm install

Expected Behavior

Stop on error

Install Method

Self-Compiled

What version of WLED?

Any

Which microcontroller/board are you seeing the problem on?

Other

Relevant log/trace output

Anything else?

No response

Code of Conduct

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