feat: release Colour Tools 0.1.0

public/CHANGELOG.md

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+# Changelog
+
+All notable changes are documented here.
+
+## Unreleased
+
+## 0.1.0 - 2026-08-31
+
+- Added a local CSS colour parser and converters for web, perceptual,
+  wide-gamut and developer colour formats, including bounded batch conversion.
+- Added arbitrary RGBA layer compositing with Porter–Duff source-over,
+  per-layer opacity, standard blend modes, reordering, encoded-sRGB and
+  linear-light processing, and optional matte flattening.
+- Added multi-stop colour ramps with positioned stops, nine interpolation
+  spaces, selectable hue routes, easing, premultiplied/straight alpha control
+  and CSS/JSON export.
+- Added a large pointer and keyboard picker with alpha, exact CSS input,
+  browser-native colour input, local history and optional system EyeDropper.
+- Added bounded local image decoding, coordinate and neighbourhood sampling,
+  deterministic perceptual palette extraction and Web Worker fallback.
+- Added transparency-aware WCAG 2 contrast reporting and nearby passing colour
+  suggestions, Delta E comparison, gamut inspection/mapping and clearly
+  labelled colour-vision simulations.
+- Added harmony, tint, shade and tone generation with local named palettes,
+  palette import and six design-token export formats.
+- Added the shared Toolbox shell, system/light/dark themes, responsive layouts,
+  accessible navigation, nested-path deployment, offline application shell and
+  deterministic static release packaging.
+- Added a GPL-3.0-or-later project licence and exact runtime dependency notices,
+  including Color.js 0.7.1 under MIT.