modity code structure

Former-commit-id: 0682ed357210897e0b67c4a6eb31a94b3eb929f1

src/llmtuner/extras/logging.py

@@ -0,0 +1,18 @@
+import sys
+import logging
+
+
+def get_logger(name: str) -> logging.Logger:
+
+    formatter = logging.Formatter(
+        fmt="%(asctime)s - %(levelname)s - %(name)s - %(message)s",
+        datefmt="%m/%d/%Y %H:%M:%S"
+    )
+    handler = logging.StreamHandler(sys.stdout)
+    handler.setFormatter(formatter)
+
+    logger = logging.getLogger(name)
+    logger.setLevel(logging.INFO)
+    logger.addHandler(handler)
+
+    return logger