feat: Add PRD Generator app and Docker infrastructure

.env.example

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+# Designr Environment Configuration
+
+# OpenAI API (for GPT-4 Vision)
+OPENAI_API_KEY=sk-your-openai-key-here
+
+# Anthropic API (for Claude models)
+ANTHROPIC_API_KEY=sk-ant-your-anthropic-key-here
+
+# Supabase Configuration
+NEXT_PUBLIC_SUPABASE_URL=http://localhost:8000
+NEXT_PUBLIC_SUPABASE_ANON_KEY=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9
+SUPABASE_SERVICE_ROLE_KEY=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9
+
+# Database
+DATABASE_URL=postgresql://postgres:designr@postgres:5432/designr
+
+# Node Environment
+NODE_ENV=development
+
+# App URLs
+NEXT_PUBLIC_APP_URL=http://localhost:3000
+NEXT_PUBLIC_LABS_URL=http://localhost:3001
+NEXT_PUBLIC_PRD_GENERATOR_URL=http://localhost:3002
+
+# Redis
+REDIS_URL=redis://redis:6379
+
+# JWT Secret
+JWT_SECRET=your-super-secret-jwt-token-change-this-in-production
+
+# GitHub OAuth (optional)
+GITHUB_CLIENT_ID=your-github-client-id
+GITHUB_CLIENT_SECRET=your-github-client-secret

DISTRIBUTION-INFO.md

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+# Designr Hub Distribution Package
+
+**Version:** 1.0.0  
+**Release Date:** January 16, 2026  
+**Status:** Production Ready ✅
+
+---
+
+## 📦 Package Contents
+
+```
+designr-hub/
+├── src/
+│   ├── app/              # Next.js app
+│   ├── components/       # React components
+│   └── lib/              # Utilities
+├── public/               # Static assets
+├── automation/           # Ralph automation
+├── inventions/           # Invention templates
+├── .github/              # GitHub workflows
+├── .setup/               # Interactive tutorials
+├── docs/                 # Documentation
+├── package.json
+├── README.md
+├── APP-STORE-COMPLETE.md
+├── APPS-REGISTRY.md
+├── DISTRIBUTION-MANIFEST.md
+└── PULL_REQUEST_CHECKLIST.md
+```
+
+---
+
+## 🚀 Installation
+
+### Prerequisites
+- Node.js 18+
+- pnpm package manager
+- Git
+
+### Step 1: Clone
+```bash
+git clone https://github.com/flatfinderai-cyber/Designr.git
+cd Designr
+```
+
+### Step 2: Install
+```bash
+pnpm install
+```
+
+### Step 3: Environment
+```bash
+cp .env.example .env.local
+```
+
+### Step 4: Start
+```bash
+pnpm dev
+```
+
+Open http://localhost:3000
+
+---
+
+## 🧪 Quality Gates
+
+```bash
+# Type checking
+pnpm typecheck
+
+# Linting
+pnpm lint
+```
+
+---
+
+## 📋 Features
+
+### Core Features
+- ✅ App discovery and registry
+- ✅ One-click installation
+- ✅ Team management
+- ✅ Integration marketplace
+- ✅ Analytics dashboard
+
+### Developer Tools
+- ✅ Ralph automation system
+- ✅ Invention templates
+- ✅ Interactive tutorials
+- ✅ PR workflow automation
+
+---
+
+## 🏗️ Architecture
+
+**Frontend:**
+- Next.js 14
+- React 18
+- TypeScript
+- Tailwind CSS
+
+**Backend:**
+- Next.js API routes
+- Supabase
+
+**DevOps:**
+- GitHub Actions
+- Ralph automation
+- CI/CD pipelines
+
+---
+
+## 📚 Documentation
+
+- [APP-STORE-COMPLETE.md](APP-STORE-COMPLETE.md) - App store guide
+- [APPS-REGISTRY.md](APPS-REGISTRY.md) - App registry
+- [DISTRIBUTION-MANIFEST.md](DISTRIBUTION-MANIFEST.md) - Distribution info
+- [GETTING-STARTED.md](GETTING-STARTED.md) - Quick start
+- [AGENTS.md](AGENTS.md) - Ralph agent guide
+
+---
+
+## 🔧 Tools Included
+
+### Ralph Automation
+```bash
+./automation/quick-start.sh
+./automation/start-ralph.sh
+```
+
+### Invention System
+```bash
+./inventions/scripts/new-invention.sh my-invention
+./inventions/scripts/start-invention.sh my-invention
+```
+
+### Tutorials
+- [GitHub Push Tutorial](docs/GITHUB-PUSH-TUTORIAL.md)
+- [Interactive Guides](.setup/README.md)
+
+---
+
+## 📞 Support
+
+- **Issues:** https://github.com/flatfinderai-cyber/Designr/issues
+- **Tutorials:** See .setup/ folder
+- **Documentation:** See README.md files
+
+---
+
+## 📄 License
+
+MIT License