corrected spaces at EOL,
corrected line lengths

Rearrang/rewrite text;
Hide large sections to set focus;
Add mpirun warning;
Minor text/character correction;
better explaining/clarified snippets;
remove misleading/outdated info;
Mention PIKA for job evaluation;

 - bevor -> befor
 - an -> can
 - module load ANSYS ANSYS/2020R2 -> module load ANSYS/2020R2
 - module load ls-dyna -> module load LS-DYNA

I got the following error: 
sbatch: option '--cpu' is ambiguous; possibilities: '--cpu-freq' '--cpus-per-task' '--cpus-per-gpu'

the following example shows how to transfer FROM.

Before: - module load spider CP2K
After: - module spider CP2K