Added middleware support

examples/logger/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"fmt"
+	"time"
+
+	"git.akyoto.dev/go/server"
+)
+
+func main() {
+	s := server.New()
+
+	s.Use(func(ctx server.Context) error {
+		start := time.Now()
+
+		defer func() {
+			fmt.Println(ctx.Path(), time.Since(start))
+		}()
+
+		return ctx.Next()
+	})
+
+	s.Run(":8080")
+}