ERC-7962 Key Hash Based Tokens

🆔 ERC-165 interface ids

Computed here as the XOR of the selectors each interface defines.

IERCKeyHash721	`0xf2a95423`
IERCKeyHash20	`0xf45a8391`

`0x6c7f1542`	`balanceOf(bytes32)`	view
`0x313ce567`	`decimals()`	view
`0x06fdde03`	`name()`	view
`0x6352211e`	`ownerOf(uint256)`	view
`0x95d89b41`	`symbol()`	view
`0xc87b56dd`	`tokenURI(uint256)`	view
`0x18160ddd`	`totalSupply()`	view
`0x222a3b2b`	`transfer(bytes32,bytes32,uint256,bytes,bytes,uint256,bytes32)`
`0xd2b36b7f`	`transfer(uint256,bytes32,bytes,bytes,uint256)`