Add httpsuite framework to README.md (#6290)

Author: rluders

README.md

@@ -3138,6 +3138,7 @@ _Full stack web frameworks._
 - [Hertz](https://github.com/cloudwego/hertz) - A high-performance and strong-extensibility Go HTTP framework that helps developers build microservices.
 - [hiboot](https://github.com/hidevopsio/hiboot) - hiboot is a high performance web application framework with auto configuration and dependency injection support.
 - [Huma](https://github.com/danielgtaylor/huma/) - Framework for modern REST/GraphQL APIs with built-in OpenAPI 3, generated documentation, and a CLI.
+- [httpsuite](https://github.com/rluders/httpsuite) - HTTP request parsing and RFC 9457 problem responses for Go, with a stdlib-only core and optional validation.
 - [iWF](https://github.com/indeedeng/iwf) - iWF is an all-in-one platform for developing long-running business processes. It offers a convenient abstraction for utilizing databases, ElasticSearch, message queues, durable timers, and more, with a clean, simple, and user-friendly interface.
 - [Lit](https://github.com/jvcoutinho/lit) - Highly performant declarative web framework for Golang, aiming for simplicity and quality of life.
 - [Microservice](https://github.com/claygod/microservice) - The framework for the creation of microservices, written in Golang.