Update marketplace contract to accept multiple NFT addresses

[bepro-bot]

Create a new version of the marketplace smart contract that accepts multiple NFT addresses.

[bepro-bot]

@pelletier197 is working on this.

[pelletier197]

Sorry, I accidentally clicked the button in the application. Is there a way to undo this action?

[moshmage]

@pelletier197 no problemo, while there isn't a way to undo your action - the reply you gave does warn the bounty creator that this was a mistake.