Added headers to config for fixing ase.in.tum

[SebiWrn]

Motivation and Context

Fixed ticket of ase in tum

Description

Added headers to config

[github-actions[bot]]

Your Testserver will be ready at https://1348.test.live.mm.rbg.tum.de in a few minutes.

Logins

Kurs1	Kurs2	Kurs3	Kurs4
public	public	loggedin	enrolled
prof1	prof1	prof2	prof1 prof2
student1 student2 student3	student1 student2	student2 student3	student1 student2

[joschahenningsen]

Which headers do they need?

[SebiWrn]

Access-Control-Allow-Origin with value ase.in.tum.de, because they told us else they can't edit the jframes on their website with javascript

[SebiWrn]

Ok so we shouldn't do it with gin directly?