feat: FlowDeck v0.2.0 — Kanban Gitea intégré

- Dashboard projets Gitea (user + orgs)
- Board Kanban 5 colonnes avec drag & drop (SortableJS)
- Sync bidirectionnelle colonnes ↔ labels Gitea
- Filtres milestone/label/assignee
- Notes Markdown par projet
- API REST (/api/health, /api/move, /api/col-mapping…)
- Colonnes custom, WIP limits
- Thème clair/sombre
- Cache Gitea TTL
- Docker + docker-compose
- Tests pytest
- Docs: README, ARCHITECTURE, CHANGELOG, ROADMAP

Dockerfile

@@ -0,0 +1,19 @@
+FROM python:3.12-slim
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends curl && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
+RUN mkdir -p /data
+
+EXPOSE 8080
+
+HEALTHCHECK --interval=30s --timeout=5s --start-period=5s --retries=3 \
+  CMD curl -f http://localhost:8080/api/health || exit 1
+
+CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8080"]