improv adopt logging best practices

python/aws_lambda_powertools/__init__.py

@@ -1,5 +1,9 @@
 # -*- coding: utf-8 -*-
 
 """Top-level package for Lambda Python Powertools."""
+import logging
 
 __author__ = """Amazon Web Services"""
+
+logger = logging.getLogger("aws_lambda_powertools")
+logger.addHandler(logging.NullHandler())

python/aws_lambda_powertools/logging/__init__.py

@@ -1,6 +1,6 @@
 """Logging utility
 """
 from ..helper.models import MetricUnit
-from .logger import log_metric, logger_inject_lambda_context, logger_setup
+from .logger import Logger, log_metric, logger_inject_lambda_context, logger_setup
 
-__all__ = ["logger_setup", "logger_inject_lambda_context", "log_metric", "MetricUnit"]
+__all__ = ["logger_setup", "logger_inject_lambda_context", "log_metric", "MetricUnit", "Logger"]