M0: Floret skeleton — Material 3 Expressive scaffold over OpenTasks (planned)

Sibling to Calendula. Pure front-end posture; TaskContract data layer,
task screens and reminder engine to follow (see docs/PLAN.md).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

CHANGELOG.md

@@ -0,0 +1,12 @@
+# Changelog
+
+All notable changes to this project are documented here. The format follows
+[Keep a Changelog](https://keepachangelog.com/); the latest released git tag is
+the source of truth for version codes (see Calendula's `docs/RELEASING.md`).
+
+## [Unreleased]
+
+### Added
+- M0 skeleton: project scaffolding copied from Calendula (Gradle, version
+  catalog, Hilt, Material 3 Expressive theme, Gitea CI/release workflows),
+  reseeded to a warm-mauve palette. Builds and shows a themed placeholder.