v0.4.0

What's Changed

• docs: correct stale pattern count (20 → 25) and add missing gallery entries by @mmichelli in #2
• Add a Layers axis (3D point lattice) by @mmichelli in #4
• Cross-link the upstream Looper projects from GitHub navigation by @mmichelli in #6

Full Changelog: v0.2.0...v0.4.0