URL shortening service (#104)

* URL shortening service

* Url shortener -> url

* Readme edit

url/main.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"github.com/micro/services/url/handler"
+	pb "github.com/micro/services/url/proto"
+
+	"github.com/micro/micro/v3/service"
+	"github.com/micro/micro/v3/service/logger"
+)
+
+func main() {
+	// Create service
+	srv := service.New(
+		service.Name("url-shortener"),
+		service.Version("latest"),
+	)
+
+	// Register handler
+	pb.RegisterUrlShortenerHandler(srv.Server(), handler.NewUrl())
+
+	// Run service
+	if err := srv.Run(); err != nil {
+		logger.Fatal(err)
+	}
+}