Stairs and Elevators

Change setElevation region behavior to a stairs behavior. Add an elevator behavior. Present dialog to user for elevator and optional dialog for stairs.
Update Brazilian Portuguese translation and add to the module.json. Thanks @Kharmans! Closes #39.

Fix PF2e error on scene load. Closes #36, #37.
Fix for incorrectly displayed height. Closes #38.
Refactor how plateaus and ramps change tokens, to provide better compatibility with Levels and other modules.
Remove blank stairs type option from the config.
Improve compatibility with Elevation Ruler.
Update libGeometry to v0.3.9.

What's Changed

• Bump actions/checkout from 3 to 4 by @dependabot in #1
• v0.4.0 by @Kharmans in #35

New Contributors

• @dependabot made their first contribution in #1

Full Changelog: 0.4.0...0.4.1