Add NSF NCAR example

[dphow]

Primarily added example for Derecho install at NCAR.

Only other change was setting TMP directory to NCAR scratch (our scratch purges) though the solution might be applied differently for general future users.

I also made the choice to have a central JUHPC_SETUP directory with then the JULIAUP_INSTALLDIR targeting user directories. To be further tested and finalized for our user community soon.

[omlins]

Thanks for your PR!

[omlins]

in order to support your use case, I think it would be better to add a keyword argument --tmp and create internally in the variable JULIAUP_TMP (here:

JUHPC/juhpc

Lines 126 to 139 in ff9247f

	# Parse and check the keyword arguments
	shift 2
	for arg in "$@"; do
	case $arg in
	--postinstall=*) export JUHPC_POST_INSTALL_JL="${arg#*=}" ;;
	--verbose=*) export JUHPC_VERBOSE="${arg#*=}" ;;
	*) error "Unknown argument: $arg" ;;
	esac
	done
	if ! [[ "$JUHPC_VERBOSE" =~ ^[0-2]$ ]]; then
	error "JUHPC_VERBOSE must be between 0 and 2."
	fi

). Then, it can be assigned to TMP if it is set and else do as before.

[omlins]

Only other change was setting TMP directory to NCAR scratch (our scratch purges) though the solution might be applied differently for general future users.

By the way: why do you want to do that? Do you not have /tmp or /dev/shm on your system? Note that this is only used for a temporary installation of julia required to do the setup; the installation will be removed in the end.

[omlins]

I'm not convinced that it is a good idea to mix with user installations. Also, we can have many different JUHPC setups that don't interfere with each other; adding this common depot or would break this great feature.

[omlins]

It automatically creates a log file as described here: .https://github.com/JuliaParallel/JUHPC?tab=readme-ov-file#2-call-juhpc
(code: https://github.com/JuliaParallel/JUHPC/blob/main/juhpc#L73)