Expose jupyter errors

[djeebus]

No description provided.

[cursor]

PR Summary

Low Risk
Single-line logging change in a startup script with no auth or data logic changes.

Overview
The jupyter server line in template/start-up.sh no longer redirects stdout and stderr to /dev/null, so startup and error messages from Jupyter are visible when the container starts.

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[djeebus]

This script doesn't appear to be used anymore