Initial commit: AutonetSellCar platform with deployment system

- Frontend: Next.js 14 with TypeScript
- Backend: FastAPI with SQLAlchemy
- Agent: Carmodoo sync agent
- Deployment: Docker Compose based staging/production setup
- Scripts: Automated deployment with rollback support

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

backend/.env.example

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+# Database
+USE_SQLITE=True
+DB_HOST=192.168.0.201
+DB_PORT=5432
+DB_NAME=autonet
+DB_USER=admin
+DB_PASSWORD=
+
+# Redis
+REDIS_HOST=192.168.0.201
+REDIS_PORT=6379
+REDIS_PASSWORD=
+
+# JWT
+SECRET_KEY=your-secret-key-change-in-production
+
+# Agent
+AGENT_API_KEY=
+
+# App
+DEBUG=True
+
+# Stripe Configuration
+# Get your keys from https://dashboard.stripe.com/apikeys
+STRIPE_SECRET_KEY=sk_test_...
+STRIPE_PUBLISHABLE_KEY=pk_test_...
+
+# Stripe Webhook Secret
+# Get this from https://dashboard.stripe.com/webhooks when you create a webhook
+STRIPE_WEBHOOK_SECRET=whsec_...
+
+# Stripe redirect URLs (adjust for production)
+STRIPE_SUCCESS_URL=http://localhost:3000/cc/success
+STRIPE_CANCEL_URL=http://localhost:3000/cc
+
+# Azure Translator API (Microsoft Azure)
+# Get your keys from https://portal.azure.com -> Translator resource
+# Free tier: 2 million characters/month
+AZURE_TRANSLATOR_KEY=
+AZURE_TRANSLATOR_REGION=koreacentral