Initial commit: Lightning Lottery - Bitcoin Lightning Network powered lottery

Features:
- Lightning Network payments via LNbits integration
- Provably fair draws using CSPRNG
- Random ticket number generation
- Automatic payouts with retry/redraw logic
- Nostr authentication (NIP-07)
- Multiple draw cycles (hourly, daily, weekly, monthly)
- PostgreSQL and SQLite database support
- Real-time countdown and payment animations
- Swagger API documentation
- Docker support

Stack:
- Backend: Node.js, TypeScript, Express
- Frontend: Next.js, React, TailwindCSS, Redux
- Payments: LNbits

front_end/README.md

@@ -0,0 +1,106 @@
+# Lightning Lottery Frontend
+
+Next.js-based frontend for the Lightning Lottery system.
+
+## Features
+
+- **Responsive Design**: Mobile-first, works on all devices
+- **Real-time Updates**: Live countdown and automatic status polling
+- **Lightning Payments**: QR code invoice display
+- **Nostr Authentication**: Optional user login via NIP-07
+- **User Dashboard**: View tickets, wins, and statistics
+
+## Tech Stack
+
+- **Framework**: Next.js 14 (App Router)
+- **Language**: TypeScript
+- **Styling**: TailwindCSS
+- **State Management**: Redux Toolkit
+- **QR Codes**: qrcode.react
+
+## Setup
+
+### Prerequisites
+
+- Node.js 18+
+- Backend API running
+
+### Installation
+
+1. Install dependencies:
+```bash
+npm install
+```
+
+2. Configure environment:
+```bash
+cp .env.example .env.local
+# Edit .env.local with your configuration
+```
+
+3. Run development server:
+```bash
+npm run dev
+```
+
+Open [http://localhost:3001](http://localhost:3001)
+
+### Production Build
+
+```bash
+npm run build
+npm start
+```
+
+## Environment Variables
+
+- `NEXT_PUBLIC_API_BASE_URL` - Backend API URL
+- `NEXT_PUBLIC_APP_BASE_URL` - Frontend public URL
+
+## Pages
+
+- `/` - Home page with current jackpot
+- `/buy` - Buy lottery tickets
+- `/tickets/[id]` - Ticket status page (public)
+- `/dashboard` - User dashboard (Nostr auth required)
+- `/dashboard/tickets` - User's ticket history
+- `/dashboard/wins` - User's wins
+
+## Components
+
+### Reusable Components
+
+- `TopBar` - Navigation header
+- `Footer` - Site footer
+- `JackpotCountdown` - Live countdown timer
+- `JackpotPotDisplay` - Pot amount display
+- `LightningInvoiceCard` - Invoice QR code and copy
+- `TicketList` - Display ticket serial numbers
+- `PayoutStatus` - Payout status indicator
+- `NostrLoginButton` - Nostr authentication
+
+## Deployment
+
+### Vercel
+
+```bash
+vercel
+```
+
+### Netlify
+
+```bash
+netlify deploy --prod
+```
+
+### Docker
+
+```bash
+docker build -t lightning-lotto-frontend .
+docker run -p 3001:3000 lightning-lotto-frontend
+```
+
+## License
+
+MIT
+