Help in TurboWarp

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I know this might sound stupid but how do I make a teleporter/portal type of thing? I thought in will be easy as heck to make this,but I thought wrong lol
I have tried everything
helppppppppppppp idk how to convert a sb3 to a zip and then upload it to gj AAAAAAAAAAAAAAAAAAAA (ik how to convert it i just dont know how to upload it it just keeps saying it doesnt work)

I’m gonna try and get the people that are in the game to do their own voice lines, if you are in the game could you dm me?
Does anyone know how in the world the gamejolt api works, packager and editor? Cuz I have no clue how any of it works, and theres only one tutorial that seems outdated.
LUKAS VERSION incase you need to know.