Performance: Optimize Bundle Size & Loading Speed

## Description
Optimize frontend bundle size and improve loading performance.

## Tasks
- Analyze bundle size
- Implement code splitting
- Optimize images and assets
- Add lazy loading
- Improve Core Web Vitals

## Acceptance Criteria
- Bundle size reduced by 30%+
- Lighthouse score > 90
- Faster initial load time
- Improved Core Web Vitals

## Tech Stack
- Next.js
- Webpack/Bundler
- Performance tools

## Getting Started
1. Analyze current bundle
2. Identify optimization opportunities
3. Implement code splitting
4. Optimize assets

## Labels
`good first issue` `frontend` `performance` `enhancement`

## Estimated Effort
**Medium** - 3-4 days