[Deamnd] Add token validators

[guanbinrui]

We should add ERC20 & ERC721 token validators to check each token that adds to the list will function as expected. Some validators that I've found:

• ERC20: https://erc20-verifier.openzeppelin.com/
• ERC721: https://erc721validator.org

Learn More

• [Bug] Remove ERC721 Tokens Mask-Token-List#27
• fix: check invalid erc721 contract Mask-Token-List#28