use case NEST ecosystem on HIFIS

• Present NEST and EBRAINS in general, using material to be provided by Jens and Sebastian, like this tutorial here
• Present the proof-of-concept of the NEST desktop running on DESY's rancher? with integration of Helmholtz ID.
• Mention the objective of using HIFIS infra for the upcoming EBRAINS summer school, including jupyter notebooks?

@franz.rhee will try and come up with a first draft in the next 2 weeks ok?