Add notes for the new lead maintainer of the open-source iris project and align with @get-ion/ion by @hiveminded

Former-commit-id: da4f38eb9034daa49446df3ee529423b98f9b331

_examples/file-server/basic/assets/css/main.css

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+body {
+    background-color: black;
+}

_examples/file-server/basic/main.go

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+package main
+
+import (
+	"github.com/kataras/iris"
+)
+
+func main() {
+	app := iris.New()
+
+	app.Favicon("./assets/favicon.ico")
+
+	// first parameter is the request path
+	// second is the system directory
+	//
+	// app.StaticWeb("/css", "./assets/css")
+	// app.StaticWeb("/js", "./assets/js")
+	//
+	app.StaticWeb("/static", "./assets")
+
+	// http://localhost:8080/static/css/main.css
+	// http://localhost:8080/static/js/jquery-2.1.1.js
+	// http://localhost:8080/static/favicon.ico
+	app.Run(iris.Addr(":8080"))
+
+	// Note:
+	// Routing doesn't allows something .StaticWeb("/", "./assets")
+	//
+	// To see how you can wrap the router in order to achieve
+	// wildcard on root path, see "single-page-application".
+}