Split logic

[jpsbur]

Split:

• authorisation
• event management
• design

[jpsbur]

First step: moved config and database primitives into separate file.

[burunduk3]

Separate design and auth in de9824e01b8fc4803001eab72a300b8edb93a8f0 Further work in modularization can be made on demand and don't need extra issue.