Add support for soulbound NFTs

[aniket2405]

These are NFTs that cannot be transferred or sold to other addresses. They are typically used in games to represent unique in-game items that are tied to a specific player's account. To add support for soulbound NFTs, we need to modify the smart contract code to include logic that restricts transfers of certain NFTs based on specific conditions. We must also modify the NFT ownership model to allow for NFTs that specific addresses or contracts can only own