Airflow-db-logger

DEPRECATION CHANGE:
1. Logger class structure has changed

Added:
1. Support for simpler logger and integrate airflow default logger.
2. Support for writing logs to multiple loggers.

Removed:
1. Old airflow logger support
2. Old stream support
3. GCP support

Fixes:
1. Error when loading base configuration for airflow 2. Logging was moved to from [core] to [logging]