Add More Examples & Categorized in Folders & TOC

Former-commit-id: ce4d711a75a4ba08ffab075e6baa88724725885b

_examples/examples/beginner/write-json/main.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"gopkg.in/kataras/iris.v6"
+	"gopkg.in/kataras/iris.v6/adaptors/httprouter"
+)
+
+// User bind struct
+type User struct {
+	Firstname string `json:"firstname"`
+	Lastname  string `json:"lastname"`
+	Age       int    `json:"age"`
+}
+
+func main() {
+	app := iris.New()
+	app.Adapt(httprouter.New())
+
+	app.Post("/decode", func(ctx *iris.Context) {
+		var user User
+		ctx.ReadJSON(&user)
+
+		ctx.Writef("%s %s is %d years old!", user.Firstname, user.Lastname, user.Age)
+	})
+
+	app.Get("/encode", func(ctx *iris.Context) {
+		peter := User{
+			Firstname: "John",
+			Lastname:  "Doe",
+			Age:       25,
+		}
+
+		ctx.JSON(iris.StatusOK, peter)
+	})
+
+	app.Listen(":8080")
+}