feat: Add run_migration.py to resolve Python module import issues

src/run_migration.py

@@ -0,0 +1,12 @@
+import sys
+from pathlib import Path
+
+# Add the src directory to the Python path
+src_path = str(Path(__file__).parent)
+if src_path not in sys.path:
+    sys.path.append(src_path)
+
+from migrations.add_direction_field import migrate_trades
+
+if __name__ == "__main__":
+    migrate_trades()