Sweet caroline doc merge

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

docs.it4i/karolina/.gitkeep

docs.it4i/karolina/compute-nodes.md

docs.it4i/karolina/hardware-overview.md

docs.it4i/karolina/img/.gitkeep

docs.it4i/karolina/img/apolloproliant.png

docs.it4i/karolina/img/compute_network_topology.png

docs.it4i/karolina/img/hpeapollo6500.png

docs.it4i/karolina/img/proliantdl385.png

docs.it4i/karolina/img/qrtx6000.png

docs.it4i/karolina/img/superdomeflex.png

docs.it4i/karolina/introduction.md

docs.it4i/karolina/network.md

docs.it4i/karolina/storage.md

docs.it4i/karolina/visualization.md

mkdocs.yml