🎨 Move prefix and tags to routers (#1439)

backend/app/api/routes/items.py

@@ -7,7 +7,7 @@ from sqlmodel import func, select
 from app.api.deps import CurrentUser, SessionDep
 from app.models import Item, ItemCreate, ItemPublic, ItemsPublic, ItemUpdate, Message
 
-router = APIRouter()
+router = APIRouter(prefix="/items", tags=["items"])
 
 
 @router.get("/", response_model=ItemsPublic)