Add usage example to strategies module documentation

README.md

@@ -4,6 +4,29 @@ This module provides implementations of various trading strategies.
 
 The [Swing Trading Dashboard](https://moshferatu.dev/moshferatu/swing-trading-dashboard) depends on this module in order to provide an overview of recent trade signals.
 
+## Example Usage
+
+The following is an example of obtaining trade signals for the 2-Period RSI strategy:
+
+```python
+from datetime import datetime, timedelta
+
+from ohlc import ohlc
+from strategies import two_period_rsi
+
+# Obtain the necessary OHLC data first.
+today = datetime.today()
+data = ohlc('SPY', start_date = today - timedelta(days = 365), end_date = today)
+
+# Signals are returned as a pandas Series.
+signals = two_period_rsi(data)
+
+# Combining signals with date information from the OHLC data for demonstration purposes only.
+result = data[['Date']].copy()
+result['Signal'] = signals
+print(result)
+```
+
 ## Dependencies
 
 The strategies module depends on the following Python packages: