Add location service (#29)

* Add location service

* Update README.md

location/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"log"
+
+	"github.com/micro/micro/v3/service"
+	"github.com/micro/services/location/handler"
+	pb "github.com/micro/services/location/proto"
+	"github.com/micro/services/location/subscriber"
+)
+
+func main() {
+	location := service.New(
+		service.Name("location"),
+	)
+
+	pb.RegisterLocationHandler(location.Server(), new(handler.Location))
+
+	service.Subscribe(subscriber.Topic, new(subscriber.Location))
+
+	if err := location.Run(); err != nil {
+		log.Fatal(err)
+	}
+}