docs: add deepwiki badge

Author: adamdecaf

README.md

@@ -22,7 +22,7 @@
 [![Slack Channel](https://slack.moov.io/badge.svg?bg=e01563&fgColor=fffff)](https://slack.moov.io/)
 [![Docker Pulls](https://img.shields.io/docker/pulls/moov/ach)](https://hub.docker.com/r/moov/ach)
 [![GitHub Stars](https://img.shields.io/github/stars/moov-io/ach)](https://github.com/moov-io/ach)
-[![Twitter](https://img.shields.io/twitter/follow/moov?style=social)](https://twitter.com/moov?lang=en)
+[![Ask DeepWiki](https://deepwiki.com/badge.svg)](https://deepwiki.com/moov-io/ach)
 
 # moov-io/ach
 Moov's mission is to give developers an easy way to create and integrate bank processing into their own software products. Our open source projects are each focused on solving a single responsibility in financial services and designed around performance, scalability, and ease of use.