Add Souin middleware into third-party-middlewares

Author: darkweak

README.md

@@ -93,13 +93,14 @@ func hello(c echo.Context) error {
 
 # Third-party middlewares
 
-| Repository | Description                                                                                                                                                                                                                                                                                                                                  |
-|------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
+| Repository | Description                                                                                                                                                                                                                                                                                                                                                                                                    |
+|------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | [github.com/labstack/echo-contrib](https://github.com/labstack/echo-contrib) | (by Echo team) [casbin](https://github.com/casbin/casbin), [gorilla/sessions](https://github.com/gorilla/sessions), [jaegertracing](github.com/uber/jaeger-client-go), [prometheus](https://github.com/prometheus/client_golang/), [pprof](https://pkg.go.dev/net/http/pprof), [zipkin](https://github.com/openzipkin/zipkin-go) middlewares | 
-| [deepmap/oapi-codegen](https://github.com/deepmap/oapi-codegen) | Automatically generate RESTful API documentation with [OpenAPI](https://swagger.io/specification/) Client and Server Code Generator                                                                                                                                                                                                          |
-| [github.com/swaggo/echo-swagger](https://github.com/swaggo/echo-swagger) | Automatically generate RESTful API documentation with [Swagger](https://swagger.io/) 2.0.                                                                                                                                                                                                                                                    |
-| [github.com/ziflex/lecho](https://github.com/ziflex/lecho) | [Zerolog](https://github.com/rs/zerolog) logging library wrapper for Echo logger interface.                                                                                                                                                                                                                                                  |
-| [github.com/brpaz/echozap](https://github.com/brpaz/echozap) | Uber´s [Zap](https://github.com/uber-go/zap) logging library wrapper for Echo logger interface.                                                                                                                                                                                                                                              |
+| [deepmap/oapi-codegen](https://github.com/deepmap/oapi-codegen) | Automatically generate RESTful API documentation with [OpenAPI](https://swagger.io/specification/) Client and Server Code Generator                                                                                                                                                                                                                       |
+| [github.com/swaggo/echo-swagger](https://github.com/swaggo/echo-swagger) | Automatically generate RESTful API documentation with [Swagger](https://swagger.io/) 2.0.                                                                                                                                                                                                                                                        |
+| [github.com/ziflex/lecho](https://github.com/ziflex/lecho) | [Zerolog](https://github.com/rs/zerolog) logging library wrapper for Echo logger interface.                                                                                                                                                                                                                                                                    |
+| [github.com/brpaz/echozap](https://github.com/brpaz/echozap) | Uber´s [Zap](https://github.com/uber-go/zap) logging library wrapper for Echo logger interface.                                                                                                                                                                                                                                                              |
+| [github.com/darkweak/souin/plugins/echo](https://github.com/darkweak/souin/tree/master/plugins/echo) | HTTP cache system based on [Souin](https://github.com/darkweak/souin) to automatically get your endpoints cached. It supports some distributed and non-distributed storage systems depending your needs.                                                                                                             |
 
 Please send a PR to add your own library here.