feat: FASE 0 - Setup progetto TieMeasureFlow

Struttura monorepo completa con server FastAPI e client Flask:
- Server: FastAPI + SQLAlchemy 2.0 async + Alembic migrations
- Client: Flask + blueprints (auth, measure, maker, statistics)
- Database: docker-compose MySQL 8.0 + Alembic async config
- Config: pydantic-settings, TailwindCSS, Flask-Babel i18n
- Piano implementazione completo (18 sezioni, 1600 righe)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

client/config.py

@@ -0,0 +1,24 @@
+"""TieMeasureFlow Client Configuration."""
+import os
+from dotenv import load_dotenv
+
+load_dotenv(os.path.join(os.path.dirname(__file__), '..', '.env'))
+
+
+class Config:
+    """Flask client configuration."""
+
+    # Flask
+    SECRET_KEY = os.getenv("CLIENT_SECRET_KEY", "change-this-to-another-random-secret-key")
+
+    # API Server connection
+    API_SERVER_URL = os.getenv("API_SERVER_URL", "http://localhost:8000")
+
+    # Session
+    SESSION_COOKIE_HTTPONLY = True
+    SESSION_COOKIE_SAMESITE = "Lax"
+
+    # Babel i18n
+    BABEL_DEFAULT_LOCALE = "it"
+    BABEL_DEFAULT_TIMEZONE = "Europe/Rome"
+    LANGUAGES = {"it": "Italiano", "en": "English"}