Add Gravity Alpha Mainnet chain definitiion

[ezynda3]

Adds missing chain definition for Gravity Alpha Mainnet

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PR-Codex overview

The focus of this PR is to add a new chain definition for Gravity Alpha Mainnet on Arbitrum.

Detailed summary

• Added a new chain definition for Gravity Alpha Mainnet on Arbitrum
• Defined chain ID, name, native currency, RPC URLs, block explorers, and contracts

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[changeset-bot[bot]]

⚠️ No Changeset found

Latest commit: 111884c4675d54ee2acc03aee773333a6af2688e

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

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[vercel[bot]]

@ezynda3 is attempting to deploy a commit to the Wevm Team on Vercel.

A member of the Team first needs to authorize it.

[jxom]

Please read steps 4 and 5 here, and then reopen the PR.