Initial project structure: MarketScanner - Fear-to-Fortune Trading Intelligence

Features:
- FastAPI backend with stocks, news, signals, watchlist, analytics endpoints
- React frontend with TailwindCSS dark mode trading dashboard
- Celery workers for news fetching, sentiment analysis, pattern detection
- TimescaleDB schema for time-series stock data
- Docker Compose setup for all services
- OpenAI integration for sentiment analysis

.env.example

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+# MarketScanner Environment Configuration
+# Copy this file to .env and fill in your values
+
+# =============================================================================
+# DATABASE
+# =============================================================================
+POSTGRES_HOST=db
+POSTGRES_PORT=5432
+POSTGRES_DB=marketscanner
+POSTGRES_USER=marketscanner
+POSTGRES_PASSWORD=CHANGE_ME_STRONG_PASSWORD
+
+# =============================================================================
+# REDIS
+# =============================================================================
+REDIS_HOST=redis
+REDIS_PORT=6379
+REDIS_PASSWORD=CHANGE_ME_REDIS_PASSWORD
+
+# =============================================================================
+# RABBITMQ
+# =============================================================================
+RABBITMQ_HOST=rabbitmq
+RABBITMQ_PORT=5672
+RABBITMQ_USER=marketscanner
+RABBITMQ_PASSWORD=CHANGE_ME_RABBITMQ_PASSWORD
+
+# =============================================================================
+# API KEYS - STOCK DATA
+# =============================================================================
+# Alpha Vantage (free tier: 5 calls/min, 500 calls/day)
+# Get yours at: https://www.alphavantage.co/support/#api-key
+ALPHA_VANTAGE_API_KEY=your_alpha_vantage_key
+
+# Polygon.io (optional, for real-time data)
+# Get yours at: https://polygon.io/
+POLYGON_API_KEY=your_polygon_key
+
+# Yahoo Finance (no key needed, but rate limited)
+YAHOO_FINANCE_ENABLED=true
+
+# =============================================================================
+# API KEYS - NEWS
+# =============================================================================
+# NewsAPI.org (free tier: 100 requests/day)
+# Get yours at: https://newsapi.org/register
+NEWS_API_KEY=your_newsapi_key
+
+# Finnhub (free tier available)
+# Get yours at: https://finnhub.io/
+FINNHUB_API_KEY=your_finnhub_key
+
+# =============================================================================
+# API KEYS - AI/NLP
+# =============================================================================
+# OpenAI (for sentiment analysis)
+# Get yours at: https://platform.openai.com/api-keys
+OPENAI_API_KEY=your_openai_key
+OPENAI_MODEL=gpt-4o-mini
+
+# Alternative: Use local LLM (Ollama)
+USE_LOCAL_LLM=false
+OLLAMA_HOST=http://ollama:11434
+OLLAMA_MODEL=llama3.2
+
+# =============================================================================
+# APPLICATION SETTINGS
+# =============================================================================
+# Backend
+BACKEND_HOST=0.0.0.0
+BACKEND_PORT=8000
+SECRET_KEY=CHANGE_ME_GENERATE_A_RANDOM_STRING
+DEBUG=false
+
+# Frontend
+FRONTEND_PORT=3000
+VITE_API_URL=http://localhost:8000
+
+# =============================================================================
+# SCANNING SETTINGS
+# =============================================================================
+# How often to fetch news (in seconds)
+NEWS_SCAN_INTERVAL=300
+
+# How often to fetch stock prices (in seconds)
+STOCK_PRICE_INTERVAL=60
+
+# Maximum stocks to track simultaneously
+MAX_TRACKED_STOCKS=500
+
+# Panic threshold (-100 to 0, lower = more panic)
+PANIC_THRESHOLD=-50
+
+# =============================================================================
+# ALERT SETTINGS
+# =============================================================================
+# Telegram alerts (optional)
+TELEGRAM_BOT_TOKEN=your_telegram_bot_token
+TELEGRAM_CHAT_ID=your_telegram_chat_id
+
+# Discord webhook (optional)
+DISCORD_WEBHOOK_URL=your_discord_webhook_url
+
+# =============================================================================
+# DEVELOPMENT
+# =============================================================================
+# Set to true for hot reload and debug logs
+DEV_MODE=false