* App: Add events which the app subscribes to
Various events, which are relevant for the app to react to changes made on the server.
* Refactor events
* Do not extend NewBlockEvent
* Refactoring events
* Add store role events
* Refactoring: Rename StoreUserEvent
* Fix: Subscribe to UserEvent.Invited
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Co-authored-by: nicolas.dorier <nicolas.dorier@gmail.com>
