* Initial implementation for external repositories
* Added setting
* Add basic welcome views
* Replaced "Always Open" with "Configure"
* Remove code duplication
* Polish based on feedback
* Language consistency
* Update notification severity
* Move away from the "external repository" terminology
* Refactor notification logic
* Saving my changes
* Further improvements
* Refactor parent repository notification
* Update message and fix edge case when setting is set to `never`