[SDK] Feature: add treasure and treasure topaz

[jcheese1]

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PR-Codex overview

This PR focuses on adding new blockchain definitions for treasure and treasureTopaz, updating the isZkSyncChain function to accommodate these changes, and exporting the new chains in the chains.ts file.

Detailed summary

• Updated isZkSyncChain to include chain.id === 61166 and chain.id === 555271.
• Added export for treasure in chains.ts.
• Added export for treasureTopaz in chains.ts.
• Created treasure chain definition with ID 61166.
• Created treasureTopaz chain definition with ID 978658.

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