feat: initialize Next.js frontend with wagmi integration & deploy TestReputationRegistry

[DianaRicee]

PR Description

Summary

This PR introduces the initial setup for the Decentralized Reputation System frontend along with updated deployment scripts for the TestReputationRegistry contract.

Changes

• Frontend Setup

  • Added Next.js project (frontend/decentralized-reputation-system)
  • Configured wagmi + @reown/appkit adapter
  • Created ContextProvider with React Query integration
  • Added global type declarations (global.d.ts) for custom elements
  • Implemented base layout (layout.tsx) and home page (page.tsx) with wallet connect & network selector
  • Configured Tailwind CSS (globals.css, postcss.config.mjs, tsconfig.json)
  • Added .gitignore, package.json, and project README
  • Included Vercel-ready deployment setup

• Smart Contract Deployment

  • Deployed TestReputationRegistry to Base chain (chainId: 8453)
  • Updated deployment script (DeployTestReputationRegistry.s.sol) with improved logging
  • Generated broadcast artifacts (run-1758149145640.json, run-latest.json)
  • Registered deployer with initial reputation on deployment

Notes

• Frontend currently supports wallet connection and network switching.
• Contracts are deployed and tested with successful self-registration event emission.
• Next steps: extend UI with contract interaction features (view reputation, rate users).