[Smart Accounts Kit] Add guide for EOA as a signer

[AyushBherwani1998]

Description

• Adds guide for EOA as a signer

Issue(s) fixed

Part of #2424

Preview

Checklist

• If this PR updates or adds documentation content that changes or adds technical meaning, it has received an approval from an engineer or DevRel from the relevant team.
• If this PR updates or adds documentation content, it has received an approval from a technical writer.

External contributor checklist

• I've read the contribution guidelines.
• I've created a new issue (or assigned myself to an existing issue) describing what this PR addresses.

---

Note

Adds an EOA (e.g., MetaMask) signer guide and links it in the sidebar and signers index.

• Docs
  • New guide: Add smart-accounts-kit/guides/smart-accounts/signers/eoa-wallets.md for using EOAs (e.g., MetaMask) as signers, with setup and example code.
  • Navigation:
    • Include guides/smart-accounts/signers/eoa-wallets in gator-sidebar.js.
    • Add "EOA (e.g. MetaMask)" card/link in smart-accounts-kit/guides/smart-accounts/signers/index.md.

^{Written by Cursor Bugbot for commit 6a2407b. This will update automatically on new commits. Configure here.}

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Preview	Comments	Updated (UTC)
metamask-docs	Ready	Preview	Comment	Dec 12, 2025 1:52pm

[m4sterbunny]

minor fixes