Add security notifications in SCM-Manager to inform running instances about known security issues. These alerts can be core or plugin specific and will be shown to every user in the header.
Co-authored-by: Matthias Thieroff <matthias.thieroff@cloudogu.com>
Co-authored-by: Philipp Ahrendt <philipp.ahrendt@cloudogu.com>
Co-authored-by: Sebastian Sdorra <sebastian.sdorra@cloudogu.com>
