feat: add zksync dev chains

[nikola-bozin-txfusion]

Overview

This PR adds support for the zkSync Development chains (Local Node & InMemory Node) to the project.

Detailed summary

• Added zkSyncLocalNode & zkSyncInMemoryNode chains to src/chains/index.ts
• Created zkSyncLocalNode definition in src/chains/definitions/zkSyncLocalNode.ts
• Created zkSyncInMemoryNode definition in src/chains/definitions/zkSyncInMemoryNode.ts
• Defined chain properties such as id, name, nativeCurrency, rpcUrls.

---

PR-Codex overview

This PR focuses on adding support for zkSync InMemory and Local Node chains.

Detailed summary

• Added zkSyncInMemoryNode definition
• Added zkSyncLocalNode definition
• Updated exports in chains/index.ts to include the new definitions

✨ Ask PR-Codex anything about this PR by commenting with /codex {your question}

[changeset-bot]

🦋 Changeset detected

Latest commit: ecaee81

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

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[vercel]

@nikola-bozin-txfusion is attempting to deploy a commit to the wevm Team on Vercel.

A member of the Team first needs to authorize it.