docs: add CFPB to "Used By" section

Made-with: Cursor

Author: mwarkentin

README.md

@@ -54,6 +54,7 @@ The full documentation is at [django-watchman.readthedocs.io](https://django-wat
 django-watchman is trusted in production by organizations including:
 
 - [Mozilla](https://github.com/mozilla) -- [mozilla.org](https://github.com/mozilla/bedrock), [support.mozilla.org](https://github.com/mozilla/kitsune), [basket](https://github.com/mozmeao/basket), and more
+- [CFPB](https://github.com/cfpb) -- [consumerfinance.gov](https://github.com/cfpb/consumerfinance.gov) (US Consumer Financial Protection Bureau)
 - [Harvard University](https://github.com/Harvard-University-iCommons) -- LMS tools and course management
 - [University of Michigan](https://github.com/tl-its-umich-edu) -- [My Learning Analytics](https://github.com/tl-its-umich-edu/my-learning-analytics), [Remote Office Hours Queue](https://github.com/tl-its-umich-edu/remote-office-hours-queue)
 - [UNICEF](https://github.com/unicef-drp) -- [GeoRepo](https://github.com/unicef-drp/GeoRepo-OS)