Convert server from submodule to regular folder - include all server files in main repository

Fix admin product addition - improved adminMiddleware and added admin promotion endpoints

Update submodule reference with latest server changes

Improve text visibility: Remove hero background, enhance color contrast and font weights across all pages

UI/UX Improvements: Remove form-notice from contact page, add ISO certified logo to footer, improve typography and content visibility across all pages

Fix: Remove JWT requirement for contact form, add AdminServices page, fix routing issues

Feature: Add user profile display with username, admin badge, and admin dashboard welcome message

Critical Fix: Resolve infinite useEffect loops in Header and Admin components - fixes site freeze

Fix: Add missing CSS imports for AboutPage and ServicesPage

Fix: Remove broken /profile route link from Header component

Implement production-ready API handler with proper CORS, health checks, and improved client service

Remove vercel.json - use Vercel auto-detection

Simplify vercel.json build configuration

Add Render.yaml configuration for backend deployment

Fix: correct API routing and Vercel configuration for serverless functions