docs: monad-mainnet-callout

[caleighc]

Pull Request Checklist

• Did you add new tests and confirm existing tests pass? (yarn test)
• Did you update relevant docs? (docs are found in the site folder, and guidelines for updating/adding docs can be found in the contribution guide)
• Do your commits follow the Conventional Commits standard?
• Does your PR title also follow the Conventional Commits standard?
• If you have a breaking change, is it correctly reflected in your commit message? (e.g. feat!: breaking change)
• Did you run lint (yarn lint:check) and fix any issues? (yarn lint:write)
• Did you follow the contribution guidelines?

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PR-Codex overview

This PR focuses on updating the documentation for the docs-site, specifically enhancing the supported-chains.mdx file to include new information about Alchemy Smart Wallets.

Detailed summary

• Added a subproject commit reference: 9f32033f1887ff178d1330acae83e3c3f8380889.
• Included a Tip section stating that Alchemy Smart Wallets will be supported on Monad mainnet Day 1 and are currently available on Monad testnet.
• Updated the table to include AnimeChain with its support status for Mainnet, Testnet, Bundler, and Gas Sponsorship.

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