Create a usable production build

[stephan418]

And merge it into the main branch for deployment

Please make sure that:

• [x] Everything is working as expected (Docker, FS and so on)
• [x] Logging code is turned to production mode (With the NODE_ENV variable)
• [ ] #97
• [x] The default admin is removed from app.ts (!!)
• [x] The minimum required features are working (Tho CRUD should be working for all of them except if something went terribly wrong)
• [x] #49
• [x] There is no confidential information in the build (As the whole code could be made public)
• [x] Make sure that everything but reads is currently only available to admins
• [x] Review the authorization code and the media code again (As those are likely the most vulnerable)
• [x] Add CORS

(The prod server should be able to be deployed with this release tomorrow)

Minium feature requirement for the release (C for Create, R for Read, U for Update, D for Delete):

• Auth (C)
• Events (R)
• Disciplines (R)
• RoleSchemas (R)
• Organisation (R)
• Group (R)

[stephan418]

Media is now working

[Stefan-5422]

Everything is checked for unsafe code

I looked over most of the code we are using and have not found any obvious security issues. Maybe I'm blind tho

[Stefan-5422]

Logging code is turned to production mode (With the NODE_ENV variable)

This will need to be done on the server and shall be remembered

[stephan418]

Everything resolved or moved;