Napari-broadcastable-points

Switching to version numbers trackign compatibility with napari

What's Changed
* update for napari >0.4.18 by ianhi in https://github.com/ianhi/napari-broadcastable-points/pull/3


**Full Changelog**: https://github.com/ianhi/napari-broadcastable-points/compare/0.2.0...0.4.18

What's Changed
* add `last_displayed` method by ianhi in https://github.com/ianhi/napari-broadcastable-points/pull/2

New Contributors
* ianhi made their first contribution in https://github.com/ianhi/napari-broadcastable-points/pull/2

**Full Changelog**: https://github.com/ianhi/napari-broadcastable-points/compare/0.1.0...0.2.0