Release v4.0

Version 4.0 Roadmap: #19

Full Changelog: v3.0.0...v4.0.0

Release v3.0

What's Changed

• Add "lil-gui" controls
• Add custom ground material
• Update dependencies & unit tests

Full Changelog: v2.0.0...v3.0.0

Release v2.0

What's Changed

• Switch from Svelte to Solid.js
• Switch from Jest to Vitest
• Update dependencies

Full Changelog: v.1.1.0...v2.0.0

Release #1.1

Update project dependencies.

Release #1

v1.0.0

Update README.md