Add client spec for NEAR protocol (ICS 012)#915

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riversyang wants to merge 5 commits intocosmos:mainfrom octopus-network:octopus-add-ics-012

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Commits on Jan 12, 2023

Commits on Jan 19, 2023

Add spec for misbehaviour related sections.
riversyang
committed

Commits on Mar 16, 2023

Update ics-012 spec based on first review.
riversyang
committed