Minor README.md fix

[HamimMahdie]

Update README with Setup Guide

• Purpose: Provide setup instructions for running Supermemory locally.
• Key Changes:
  • Updated the "Contribute or self host" section to mention the new SETUP-GUIDE.md file.
  • Corrected a typo in the description ("design" -> "designed").
• Impact: This change makes it easier for users to set up and run the Supermemory application locally.

✨ Generated with love by Kaizen ❤️

Original Description

grammar- design --> designed

[kaizen-bot[bot]]

🔍 Code Review Summary

✅ All Clear: This commit looks good! 👍

Overview

• Total Feedbacks: 0 (Critical: 0, Refinements: 0)
• Files Affected: 0
• Code Quality: [██████████████████░░] 90% (Excellent)

✨ Generated with love by Kaizen ❤️

Useful Commands

• Feedback: Share feedback on kaizens performance with !feedback [your message]
• Ask PR: Reply with !ask-pr [your question]
• Review: Reply with !review
• Update Tests: Reply with !unittest to create a PR with test changes