ERC-5750 General Extensibility for Method Behaviors

FinalERCcreated 2022-10-045 later proposals build on itrequires ERC-165

Designating last param of dynamically sized bytes to be used for behavior extensions of methods.

Author: Zainan Victor Zhou (@xinbenlv)

Functions this standard introduces (5)

`0xea8b4cda`	`firstNonRelatedMethod(uint256)`
`0xa48605de`	`methodName1(uint256,address,bytes)`
`0x9cb34bb8`	`methodName2(uint256,address,bytes)`
`0x6e3c08a6`	`methodName2(uint256,address)`
`0xb483ad1a`	`secondNonRelatedMethod(uint256)`

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Later proposals that name this one in their requires field.