collect Learning materials

• unify Tutorials and Guidelines here
  • make sure that old link still work
• collect and add potentially missing content
  • e.g., Helmholtz GitLab / Technology => erklärt was GITLab leisten kann.
• decide+implement on design of overview page

changed milestone to %Homepage Relaunch 2022 - Version 2.0

changed the description

added 1 deleted label

marked the checklist item unify Tutorials and Guidelines as completed

marked the checklist item make sure that old link still work as completed

changed the description

marked this issue as related to #236 (closed)

changed due date to March 18, 2022

I copied the content to the new issue #236 (closed) and close this one

closed

changed milestone to %Homepage Relaunch 2022 - MVP (Version 1.0)