docs: maintainers in README

Author: thekaveman

README.md

@@ -3,6 +3,8 @@
 Server implementation of the [Eligibility Verification API](https://docs.calitp.org/eligibility-api/specification). See
 the client implementation in [`benefits`](https://github.com/cal-itp/benefits).
 
+Eligibility Server is open-source software that is designed, developed, and maintained by Compiler LLC on behalf of Caltrans, Cal-ITP, and our agency partners.
+
 View the technical documentation online: [https://docs.calitp.org/eligibility-server](https://docs.calitp.org/eligibility-server)
 
 ## License