Add GameConsole device type (#393)

Author: joostlek

src/spotifyaio/models.py

@@ -21,6 +21,7 @@ class DeviceType(StrEnum):
     CAST_AUDIO = "CastAudio"
     CAST_VIDEO = "CastVideo"
     COMPUTER = "Computer"
+    GAME_CONSOLE = "GameConsole"
     SET_TOP_BOX = "STB"
     SMARTPHONE = "Smartphone"
     SMARTWATCH = "Smartwatch"