feat: complete translator stack

backend/app/main.py

@@ -0,0 +1,15 @@
+from fastapi import FastAPI
+from backend.app.routers import health, translation
+
+app = FastAPI()
+
+app.include_router(health.router)
+app.include_router(translation.router, prefix="/api")
+
+@app.on_event("startup")
+async def startup_event():
+    print("Avvio del servizio di traduzione")
+
+@app.on_event("shutdown")
+async def shutdown_event():
+    await translation.ollama_client.close()