reorganization of _examples and add some new examples such as iris+groupcache+mysql+docker

Former-commit-id: ed635ee95de7160cde11eaabc0c1dcb0e460a620

_examples/desktop/blink/main.go

@@ -0,0 +1,42 @@
+// +build windows
+
+package main
+
+import (
+	"github.com/kataras/iris/v12"
+	"github.com/raintean/blink"
+)
+
+const addr = "127.0.0.1:8080"
+
+/*
+	$ go build -ldflags -H=windowsgui -o myapp.exe
+	$ ./myapp.exe # run the app
+*/
+func main() {
+	go runServer()
+	showAndWaitWindow()
+}
+
+func runServer() {
+	app := iris.New()
+	app.Get("/", func(ctx iris.Context) {
+		ctx.HTML("<h1> Hello Desktop</h1>")
+	})
+	app.Listen(addr)
+}
+
+func showAndWaitWindow() {
+	blink.SetDebugMode(true)
+	if err := blink.InitBlink(); err != nil {
+		panic(err)
+	}
+
+	view := blink.NewWebView(false, 800, 600)
+	view.LoadURL(addr)
+	view.SetWindowTitle("My App")
+	view.MoveToCenter()
+	view.ShowWindow()
+
+	<-view.Destroy
+}