I dont' understand why unity don't see dll, on screnshots is one of configurations i tried.(yes i also tried configuration from oficial website) (tried versions 2.3.0, 2.3.2, 2.4.1, 2.2.0 every version is invisible for unity)
Assets\Scripts\Multiplayer\LobbyManager.cs(5,7): error CS0246: The type or namespace name 'Facepunch' could not be found (are you missing a using directive or an assembly reference?)