feat(logging): add logfmter library

Author: josheppinette

README.md

@@ -710,6 +710,7 @@ _Libraries for generating and working with logs._
 
 - [logbook](http://logbook.readthedocs.io/en/stable/) - Logging replacement for Python.
 - [logging](https://docs.python.org/3/library/logging.html) - (Python standard library) Logging facility for Python.
+- [logfmter](https://github.com/josheppinette/python-logfmter) - A standard library compatible logfmt formatter.
 - [loguru](https://github.com/Delgan/loguru) - Library which aims to bring enjoyable logging in Python.
 - [sentry-python](https://github.com/getsentry/sentry-python) - Sentry SDK for Python.
 - [structlog](https://www.structlog.org/en/stable/) - Structured logging made easy.