* Deprecate: initial LightningLoggerBase to Logger, tests/loggers pass
* Refactor moved LightningLoggerBase to logger.py and removed base.py in loggers
* Recreated base.py for safer backwards compatibility
* Renamed test_base.py to test_logger.py and added test_base.py to test deprecation warning.
* Renamed tests/loggers/test_base.py to tests/loggers/test_logger.py
* Order __all__ list in loggers/__init__ alphabetically
* minor: change deprecation warning of loggers.logger.base
* fixed failing tests and formating
* Update the documentation
* move deprecation test to deprecated_api files
* backward compatibility and deprecations tests for all functionality in loggers/logger.py
* fix PEP8 issues.
* Update CHANGELOG.md
* Skip mypy on renamed file
Co-authored-by: Adrian Wälchli <aedu.waelchli@gmail.com>
Co-authored-by: Aki Nitta <nitta@akihironitta.com>
Co-authored-by: carmocca <carlossmocholi@gmail.com>