Compile-MEDUSA-from-scratch.md

+```sh
+ module load netCDF-Fortran/4.6.1-gompi-2023a
+ cd nemo/arch
+ ./build_arch-auto.sh
+ cd ../
+ ./makenemo -m auto -n TEST -r GYRE_PISCES -j 12 -v 1 del_key key_xios
+ cd cfgs/TEST/EXP00
+ mpirun -n 8 ./nemo
+```
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