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

app/templates/notes.html

@@ -0,0 +1,30 @@
+{% extends "base.html" %}
+{% block content %}
+<div class="notes-page">
+  <div class="board-header">
+    <div class="board-breadcrumb">
+      <a href="/" class="back-link">← Projets</a>
+      <span class="separator">/</span>
+      <a href="/board/{{ owner }}/{{ repo }}" class="back-link">{{ owner }}/{{ repo }}</a>
+      <span class="separator">/</span>
+      <strong>Notes</strong>
+    </div>
+  </div>
+
+  <div class="notes-editor">
+    <form hx-post="/notes/{{ owner }}/{{ repo }}" hx-target=".notes-editor" hx-swap="outerHTML">
+      <textarea name="content" class="notes-textarea" placeholder="Notes markdown pour ce projet...">{{ content }}</textarea>
+      <div class="notes-actions">
+        <button type="submit" class="btn btn-primary">💾 Sauvegarder</button>
+      </div>
+    </form>
+
+    {% if content %}
+    <div class="notes-preview">
+      <h3>Aperçu</h3>
+      <div class="markdown-body">{{ content }}</div>
+    </div>
+    {% endif %}
+  </div>
+</div>
+{% endblock %}