dude, you really dont have to O.O
EDIT:
I also have no idea about that tax-stuff that is required on itch. I'm not from the us, so this is even more complicated :O
So they have two methods of receiving donations, Paypal for one time donations, and Patrean for subscribers. I sent Godot 10$ on Paypal via the link on Godots page https://godotengine.org/donate