Gen drops on EVM - integrate them on our app

[exezbcz]

This chief issue is meant to track what is needed in order to have warpcast drops (base drop) mintable on our app as well

Tasks

• we already have evm connector, and the landing page is being prepared for the EVM
• https://github.com/kodadot/nft-gallery/issues/10498

• 10648

  feel free to link any issue that has anything to do with evm drops

Main goal

• bring seamless ux to evm as well
• not to break polkadot drops

[exezbcz]

cc @kodadot/internal-dev

i guess there are some things on the backend as well, feel free to link/create issues in the corresponding repo, thanks!