Update EIP Template: Add EIP patent waiver

[Pandapip1]

trafficstars

Obviously IANAL.

Pandapip1 IS NOT A LAW FIRM OR EVEN A LAWYER AND DOES NOT PROVIDE
LEGAL SERVICES. DISTRIBUTION OF THIS DOCUMENT DOES NOT CREATE AN
ATTORNEY-CLIENT RELATIONSHIP. Pandapip1 PROVIDES THIS
INFORMATION ON AN "AS-IS" BASIS. Pandapip1 MAKES NO WARRANTIES
REGARDING THE USE OF THIS DOCUMENT OR THE INFORMATION OR WORKS
PROVIDED HEREUNDER, AND DISCLAIMS LIABILITY FOR DAMAGES RESULTING FROM
THE USE OF THIS DOCUMENT OR THE INFORMATION OR WORKS PROVIDED
HEREUNDER.

[eth-bot]

Hi! I'm a bot, and I wanted to automerge your PR, but couldn't because of the following issue(s):

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(fail) eip-template.md

classification
ambiguous

• 'eip-template.md' must be in eip-###.md format; this error will be overwritten upon relevant editor approval

[github-actions[bot]]

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