feat: initialiser le projet CVP (Next.js 14 + FastAPI + PostgreSQL)

- Frontend : Next.js 14 App Router, TypeScript strict, Tailwind 3, shadcn/ui, next-intl (fr/en)
- Backend : FastAPI, SQLAlchemy 2 async, Alembic, Pydantic 2, Python 3.11
- Infrastructure : Docker Compose (PostgreSQL 16 + Ollama)
- Tooling : ESLint + Prettier (frontend), Ruff (backend), pytest
- Structure complète des dossiers avec pages et routers placeholder

backend/pyproject.toml

@@ -0,0 +1,20 @@
+[project]
+name = "cvp-backend"
+version = "0.1.0"
+description = "CVP - Backend API pour la recherche d'emploi intelligente"
+requires-python = ">=3.11"
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+asyncio_mode = "auto"
+
+[tool.ruff]
+target-version = "py311"
+line-length = 100
+
+[tool.ruff.lint]
+select = ["E", "F", "W", "I", "N", "UP", "ANN", "B", "A", "SIM"]
+ignore = []
+
+[tool.ruff.lint.isort]
+known-first-party = ["app"]