IGAPP-1271: define workflow for designs + handoff to dev team

[jira-to-github-migrator[bot]]

Antonia Hauf - 3.4.2023, 16:56:00

define design workflows and handoff to developers in a consistent manner (ui/ux team, intern) <_{isabella.thang>  <}mohamad.dukmak> 

Environment: - Linked issues:

[f1sh1918]

please provide the workflow in the wiki and link it @hauf-toni

[nikolahoff]

@hauf-toni I think this is done right, so I can put it to done. Here is the link to our wiki.