Guide for deploying a non-native EVM contract & updating legacy association

[sisyphusSmiling]

This guide should cover the planning, development, deployment and registration of an ERC721 contract intended to replace an existing bridged ERC721. A project in this scenario will have an existing Cadence-native NFT that has been onboarded to the bridge and desire to update the bridged ERC721 association with their own ERC721 implementation. The end result is their Cadence-native NFT will be bridged as their self-deployed ERC721 and vice versa.