add shorturl example code

example/shorturl/api/internal/handler/routes.go

@@ -0,0 +1,25 @@
+// DO NOT EDIT, generated by goctl
+package handler
+
+import (
+	"net/http"
+
+	"shorturl/api/internal/svc"
+
+	"github.com/tal-tech/go-zero/rest"
+)
+
+func RegisterHandlers(engine *rest.Server, serverCtx *svc.ServiceContext) {
+	engine.AddRoutes([]rest.Route{
+		{
+			Method:  http.MethodGet,
+			Path:    "/shorten",
+			Handler: shortenHandler(serverCtx),
+		},
+		{
+			Method:  http.MethodGet,
+			Path:    "/expand",
+			Handler: expandHandler(serverCtx),
+		},
+	})
+}