Remove notifications

What this MR is adding?

Remove notifications handling from beekeepy
Add app_status_probe to quickly interact with new app_status_api api
Add mechanism to close detached beekeeper basing only on process list
Bit of refactor

requires: schemas!105 (merged)

please review: @kudmich @jziebinski @rmaslowski

Edited May 14, 2025 by Krzysztof Mochocki