Add total fees calculation to storage results

- Included total_fees_usd in the results dictionary of the Storage class to enhance fee tracking in the output.
- removed plots from TrendDetectorSimple

cycles/utils/storage.py

@@ -144,6 +144,7 @@ class Storage:
             "avg_trade": f"{row['avg_trade']*100:.2f}%",
             "profit_ratio": f"{row['profit_ratio']*100:.2f}%",
             "final_usd": f"{row['final_usd']:.2f}",
+            "total_fees_usd": f"{row['total_fees_usd']:.2f}",
         }
     
     def write_results_chunk(self, filename, fieldnames, rows, write_header=False, initial_usd=None):