Release 4.0

[domser2002]

• Merged Release 2.0 into develop

• fix for frontend to controller requests

• azure_integration

• fix for frontend to controller requests

• azure_integration

• own authentication

• database seeding

• Finish frontend (#66)

• Registration added and inquiry developed

• Huge frontend upgrade

• Developed fronted

• Registration added and inquiry developed

• Huge frontend upgrade

• Almost ready frontend

• Addresses in .env and auth headers added

• Small style change

• E2E and UI tests added, small changes in frontend

• fixed compiling errors

• fix database seeding

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