* New module: tower_notification
* Fix CI check failures
* Add integration tests and extend examples
* Add missing required field for deletion tests and examples
* Add missing required field for deletion tests and examples
* Set port type to int
* Add missing field for Slack notification
* Add missing field types for IRC notification
* Update module documentation
* Correct field name and type for IRC notification
* Uniformize 'targets' field
* Uniformize 'targets' field
