Add azure servicebus notify service (#27566)

* Add azure servicebus notify service

* files added to .coveragerc

* fix: import content type from const

* Moved imports to top level

* Code review fixes
+ added code owner
+ fixed config validation with has at least one
+ seperate attributes for dto to asb
* fixed doc link
* async setup instead of sync

* rename all the things
- removed too many ifs
* changed setup back to sync
+ comment about sync IO in lib

* More informative logging

* logging exception -> error