Merge branch 'anselm-revision' into 'master'

docs.it4i/anselm/compute-nodes.md

docs.it4i/anselm/environment-and-modules.md

docs.it4i/anselm/hardware-overview.md

docs.it4i/anselm/job-submission-and-execution.md

docs.it4i/anselm/prace.md

docs.it4i/anselm/remote-visualization.md.disable

docs.it4i/anselm/shell-and-data-access.md

docs.it4i/anselm/storage.md

mkdocs.yml