Add some features

serve.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/kataras/iris/v12"
+)
+
+func Serve(root string, port uint) error {
+	app := iris.New()
+	app.HandleDir("/", iris.Dir(root), iris.DirOptions{
+		IndexName:  "/index.html",
+		Compress:   false,
+		ShowList:   true,
+		ShowHidden: true,
+		Cache: iris.DirCacheOptions{
+			Enable: false,
+		},
+	})
+
+	return app.Listen(fmt.Sprintf(":%d", port))
+}