feat: support for gzip middleware (#53)

example/basic/main.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/swaggo/gin-swagger"
+	"github.com/swaggo/gin-swagger/swaggerFiles"
+
+	_ "github.com/swaggo/gin-swagger/example/basic/docs"
+)
+
+// @title Swagger Example API
+// @version 1.0
+// @description This is a sample server Petstore server.
+// @termsOfService http://swagger.io/terms/
+
+// @contact.name API Support
+// @contact.url http://www.swagger.io/support
+// @contact.email support@swagger.io
+
+// @license.name Apache 2.0
+// @license.url http://www.apache.org/licenses/LICENSE-2.0.html
+
+// @host petstore.swagger.io
+// @BasePath /v2
+func main() {
+	r := gin.New()
+
+	url := ginSwagger.URL("http://localhost:8080/swagger/doc.json") //The url pointing to API definition
+	r.GET("/swagger/*any", ginSwagger.WrapHandler(swaggerFiles.Handler, url))
+
+	r.Run()
+}