Add SuperMUC-NG env file

specfem3d/env/env/env_supermuc-ng

+#!/bin/bash
+module purge
+module load admin/1.0 tempdir lrz/1.0 intel-oneapi/2021.2
+module li
+
+export machine=supermuc-ng
+export software=specfem3d_globe
+export version=31octobre
+export install_dir=$WORK_pn73ve/benchmarks/$machine/$software/$version/
+export CC="mpiicc"
+export FC="mpiifort"
+export MPIFC=$FC
+export FCFLAGS=" -O3 -qopenmp -xCORE-AVX512 -mtune=skylake -ipo -no-prec-div -no-prec-sqrt -fma -qopt-zmm-usage=high -DUSE_FP32 -DOPT_STREAMS -fp-model fast=2 -traceback -mcmodel=large"
+export CFLAGS=" -O3 -qopenmp -xCORE-AVX512 -mtune=skylake -ipo -no-prec-div -no-prec-sqrt -fma -qopt-zmm-usage=high"