Add swing trading strategy with RSI signals and Binance integration

- Introduced a new swing trading strategy utilizing the RSI indicator on the ETHBTC pair from Binance.
- Implemented the `SwingEngine` to manage trading logic, including entry and exit conditions based on RSI thresholds.
- Added configuration options for swing direction, trade amount, and RSI parameters in `config.ts`.
- Created new documentation for the swing strategy, detailing its behavior and configuration.
- Enhanced CLI to support the new swing strategy option.
- Added tests for swing logic to ensure correct behavior under various market conditions.

package.json

@@ -34,6 +34,7 @@
     "ethereum-cryptography": "^2.1.3",
     "ink": "^6.3.1",
     "react": "^19.1.1",
+    "trading-signals": "^7.4.3",
     "viem": "^2.43.1",
     "ws": "^8.18.3"
   }