NFT drop widget

[jaswinder6991]

Keypom currently supports:

1. Simple drops.
2. FT drop
3. NFT drop
4. Custom function drop.

To mint NFTs you can either take the NFT drop route, which is:

1. Create an NFT drop on Keypom.
2. Mint NFTs and send these to the keypom contract.
3. Keypom contract will now send these to individual claimers.
   (Last I checked, you could not do this with mintbase contract. Check again.)

The custom function route:

1. You create a custom function drop with the nft_mint function and the nft contract as the arguments.
2. When the drop is claimed, keypom contract call this custom function on whatever contract(the nft contract) you want.
3. In some NFT cases, you might have to add the keypom contract as the minter, which actually is a flaw cause then anyone can create a drop to mint NFTs on your contract.

Do research on both these routes, analyse if we can use Mintbase contract or not, if not, what are consequences.