feat: complete HookLab MVP - TikTok Shop coaching platform

Full-stack Next.js 15 application with:
- Landing page with marketing components (Hero, Testimonials, Pricing, FAQ)
- Multi-step candidature form with API route
- Stripe Checkout integration (subscription + webhooks)
- Supabase Auth (login/register) with middleware protection
- Dashboard with progress tracking and module system
- Formations pages with completion tracking
- Profile management with password change
- Database schema with RLS policies
- Resend email integration for transactional emails

Stack: Next.js 15, TypeScript, Tailwind CSS v4, Supabase, Stripe, Resend

https://claude.ai/code/session_01H2aRGDaKgarPvhay2HxN6Y

lib/stripe/client.ts

@@ -0,0 +1,6 @@
+import Stripe from "stripe";
+
+// Client Stripe côté serveur
+export const stripe = new Stripe(process.env.STRIPE_SECRET_KEY!, {
+  typescript: true,
+});