adding data-services

libs/shared-types/README.md

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+# Shared Types Library
+
+This library contains domain-specific TypeScript type definitions used across the stock-bot project.
+
+## Directory Structure
+
+- `market/` - Market data structures (OHLCV, OrderBook, etc.)
+- `trading/` - Trading types (Orders, Positions, etc.)
+- `strategy/` - Strategy and signal types
+- `events/` - Event definitions for the event bus
+- `api/` - Common API request/response types
+- `config/` - Configuration type definitions
+
+## Usage
+
+```typescript
+import { OHLCV, MarketData } from '@stock-bot/shared-types';
+
+// Use the types
+const marketData: MarketData = {
+  symbol: 'AAPL',
+  price: 150.25,
+  bid: 150.20,
+  ask: 150.30,
+  volume: 1000000,
+  timestamp: new Date()
+};
+```