Sprint CW06.2024

Features: pdf export(content and notes' look and feel) and the client logo features (deployment)
Features/Metrics: better metrics/usage logging of the clients and the websocket service.
Testability: increase our test coverage at different levels and fix some bugs
OPS: gitlab migration iteration III (after Flux installation)
Business: TK initial work on the Websocket server to provide webhook on data sent; Anlage update