v0.3.1 - Add 11 new style variations (4 light, 4 dark + 3 earlier dark)

Add Rose, Sand, Lavender, Mint (light) and Ember, Arctic, Amethyst,
Slate, Mocha, Nebula, Obsidian (dark) color palettes for the Design
Editor. Total of 15 style variations available (7 light, 7 dark).

Co-Authored-By: Claude <noreply@anthropic.com>

CHANGELOG.md

@@ -2,6 +2,14 @@
 
 All notable changes to this project will be documented in this file.
 
+## [0.3.1] - 2026-02-08
+
+### Added
+
+- 4 new light style variations: Rose, Sand, Lavender, Mint
+- 4 new dark style variations: Slate, Mocha, Nebula, Obsidian
+- Total of 15 color palettes available in the Design Editor (7 light, 7 dark, plus default)
+
 ## [0.3.0] - 2026-02-08
 
 ### Added