Think about rewards for donating

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In its most basic form we need a way of informing creators of who has donated to them. MVP would be letting user map a donation address to a username e.g. by having their address call a function in an ethereum contract.

If we look at e.g. Twitch streamers, this would probably be required for them to take Thankful seriously. Donors expect something to happen on stream in reaction to their donation, e.g. showing a message on screen.

Do we/users want some form of token proof for donating? https://github.com/SuperuserLabs/thankful/issues/3