Per-recipient policy settings for quiet hours and delivery caps.
@type t() :: %Chimeway.Policy.Settings.Setting{ __meta__: term(), delivery_cap_count: term(), delivery_cap_window_minutes: term(), id: term(), inserted_at: term(), quiet_hours_end_minute: term(), quiet_hours_start_minute: term(), recipient_id: term(), time_zone: term(), updated_at: term() }