Resolve "Improvents in NORTH page and some tools"

gui/public/logo/abtem.png

gui/public/logo/fiji.png

gui/public/logo/jupyter.svg

gui/public/logo/nexus.png

gui/public/logo/nionswift.png

gui/public/logo/pyarpes.svg

gui/public/logo/pyiron.png

gui/public/logo/vesta.png

gui/tests/artifacts.js

nomad/app/v1/routers/north.py

nomad/config/defaults.yaml

nomad/config/models/north.py

nomad/jupyterhub_config.py

ops/kubernetes/nomad/updatevalues.py

ops/kubernetes/nomad/values.yaml