Added bitkub chain

[tirogen]

Added bitkub chain

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PR-Codex overview

This PR adds support for the Bitkub chain and its testnet to the project.

Detailed summary

• Added Bitkub chain definition
• Added Bitkub Testnet chain definition
• Defined chain properties like id, name, nativeCurrency, rpcUrls, and blockExplorers for both chains

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[changeset-bot]

🦋 Changeset detected

Latest commit: a73177d

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
viem	Patch

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[jxom]

Had to remove the multicall contracts as they are unverified. You can open another PR to add them in once verified.