Initial commit - Application CLEO de gestion de devis

- Architecture MVC avec framework maison d6
- Modules : devis, clients, marchés, SAP
- Documentation initiale (README et TODO)
- Configuration Composer avec dépendances

🤖 Generated with [Claude Code](https://claude.ai/code)

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

pub/res/bs-icons-1.11.1/capslock-fill.svg

@@ -0,0 +1,3 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-capslock-fill" viewBox="0 0 16 16">
+  <path d="M7.27 1.047a1 1 0 0 1 1.46 0l6.345 6.77c.6.638.146 1.683-.73 1.683H11.5v1a1 1 0 0 1-1 1h-5a1 1 0 0 1-1-1v-1H1.654C.78 9.5.326 8.455.924 7.816L7.27 1.047zM4.5 13.5a1 1 0 0 1 1-1h5a1 1 0 0 1 1 1v1a1 1 0 0 1-1 1h-5a1 1 0 0 1-1-1v-1z"/>
+</svg>