Add EIP-5982: Role-based Access Control

[xinbenlv]

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[eth-bot]

A critical exception has occurred: Message: pr 5982 is already merged; quitting (cc @alita-moore, @mryalamanchi)

[frangio]

The behavior of each function is not specified. This EIP shouldn't be accepted without a proper specification.

[xinbenlv]

WIP

[xinbenlv]

@frangio thank you for the feedback most of the functions are pretty self-explanatory and I was hoping to provide a condensed and more readable version for the first draft. I could add them before turning into Review status, if you don't mind?

[frangio]

Sure.

[xinbenlv]

@Pandapip1 this PR is ready to merge to my understanding~