Update README.md

Author: codeandwhisky

README.md

@@ -12,7 +12,7 @@ This project is a boilerplate for building .NET API applications with various fe
 - [x] Response caching and compression
 - [x] Logging with Serilog
 - [x] Health check endpoint
-- [x] Middlewares
+- [x] [Middlewares](https://github.com/FullstackCodingGuy/dotnetapi-boilerplate/tree/main/src/Middlewares)
 - [ ] Vault Integration
 - [ ] MQ Integration
 - [ ] Application Resiliency