Update to 8.3.3 | Even better MVC. Read HISTORY.md

Former-commit-id: 88998c317117abff1a214cf396b205d8d8ea888c

_examples/README.md

@@ -33,7 +33,6 @@ It doesn't always contain the "best ways" but it does cover each important featu
     * [using the `RegisterOnInterrupt`](http-listening/graceful-shutdown/default-notifier/main.go)
     * [using a custom notifier](http-listening/graceful-shutdown/custom-notifier/main.go)
 
-
 ### Configuration
 
 - [Functional](configuration/functional/main.go)
@@ -41,7 +40,6 @@ It doesn't always contain the "best ways" but it does cover each important featu
 - [Import from YAML file](configuration/from-yaml-file/main.go)
 - [Import from TOML file](configuration/from-toml-file/main.go)
 
-
 ### Routing, Grouping, Dynamic Path Parameters, "Macros" and Custom Context
 
 * `app.Get("{userid:int min(1)}", myHandler)`

_examples/mvc/hello-world/main.go

@@ -77,11 +77,15 @@ type HelloController struct {
 	mvc.Controller
 }
 
+type myJSONData struct {
+	Message string `json:"message"`
+}
+
 // Get serves
 // Method:   GET
 // Resource: http://localhost:8080/hello
 func (c *HelloController) Get() {
-	c.Ctx.JSON(iris.Map{"message": "Hello iris web framework."})
+	c.Ctx.JSON(myJSONData{"Hello iris web framework."})
 }
 
 /* Can use more than one, the factory will make sure