Add new file

Deepgalaxy/testcase_medium/prepare.sh

+#!/bin/bash
+
+if [ -z "$1" ]
+  then
+    echo "Please provide the targeted machine from:"
+    ls ../machines/
+    echo ""
+    echo "Example: ./prepare.sh jeanzay-gpu"
+    exit 1
+fi
+machine_dir="../machines/$1"
+
+cp $machine_dir/env_bench .
+cp $machine_dir/batch_medium.slurm .
+cp $machine_dir/run_medium.def run.def