feat: add logger to support modular log output (#29)

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## 📑 Description

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add logger to support modular log output
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Author: WinstonLiyt

trading_bench/utils/logger.py

@@ -0,0 +1,33 @@
+import logging
+from typing import Optional
+
+def setup_logger(name: str, level: int = logging.INFO) -> logging.Logger:
+    """
+    Set up a logger with the specified name and logging level.
+
+    Args:
+        name (str): Name of the logger.
+        level (int, optional): Logging level (default is logging.INFO).
+
+    Returns:
+        logging.Logger: Configured logger instance.
+    """
+    logger = logging.getLogger(name)
+    logger.setLevel(level)
+
+    # Avoid adding multiple handlers if logger already has handlers
+    if not logger.handlers:
+        # Create console handler and set level
+        ch = logging.StreamHandler()
+        ch.setLevel(level)
+
+        # Create formatter and add it to the handler
+        formatter = logging.Formatter(
+            "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
+        )
+        ch.setFormatter(formatter)
+
+        # Add the handler to the logger
+        logger.addHandler(ch)
+
+    return logger