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/css/images/phone.svg

@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg"
+     viewBox="0 0 512 512"><!--! Font Awesome Pro 6.3.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license (Commercial License) Copyright 2023 Fonticons, Inc. -->
+    <path d="M164.9 24.6c-7.7-18.6-28-28.5-47.4-23.2l-88 24C12.1 30.2 0 46 0 64C0 311.4 200.6 512 448 512c18 0 33.8-12.1 38.6-29.5l24-88c5.3-19.4-4.6-39.7-23.2-47.4l-96-40c-16.3-6.8-35.2-2.1-46.3 11.6L304.7 368C234.3 334.7 177.3 277.7 144 207.3L193.3 167c13.7-11.2 18.4-30 11.6-46.3l-40-96z"/>
+</svg>