Minor changes

src/__init__.py

@@ -0,0 +1 @@
+from config_manager.config_manager import ConfigManager

src/config_manager/config_manager.py

@@ -1,6 +1,6 @@
 import asyncio
 import json
-import yaml  # pip install pyyaml
+import yaml
 import logging
 import logging.config
 from typing import Any