feat: add Algo Order API support and update ML feature handling

- Introduced support for Algo Order API, allowing automatic sending of STOP_MARKET and TAKE_PROFIT_MARKET orders.
- Updated README.md to include new features related to Algo Order API and real-time handling of ML features.
- Enhanced ML feature processing to fill missing OI and funding rate values with zeros for consistency in training data.
- Added new training log entries for the lgbm model with updated metrics.

models/training_log.json

@@ -264,5 +264,17 @@
     "features": 23,
     "time_weight_decay": 2.0,
     "model_path": "models/lgbm_filter.pkl"
+  },
+  {
+    "date": "2026-03-02T02:00:45.931227",
+    "backend": "lgbm",
+    "auc": 0.5752,
+    "best_threshold": 0.6307,
+    "best_precision": 0.471,
+    "best_recall": 0.229,
+    "samples": 533,
+    "features": 23,
+    "time_weight_decay": 2.0,
+    "model_path": "models/lgbm_filter.pkl"
   }
 ]