add comments

client/client.go

@@ -7,7 +7,7 @@ supported.
 
 	c := client.NewClient()
 
-	req := c.NewRequest("go.micro.srv.greeter", &greeter.Request{
+	req := c.NewRequest("go.micro.srv.greeter", "Greeter.Hello", &greeter.Request{
 		Name: "John",
 	})
 

server/server.go

@@ -6,6 +6,25 @@ register with a broker.
 The server combines the all the packages in go-micro to create a whole unit
 used for building applications including discovery, client/server communication
 and pub/sub.
+
+	import "github.com/micro/go-micro/server"
+
+	type Greeter struct {}
+
+	func (g *Greeter) Hello(ctx context.Context, req *greeter.Request, rsp *greeter.Response) error {
+		rsp.Msg = "Hello " + req.Name
+		return nil
+	}
+
+	s := server.NewServer()
+
+
+	s.Handle(
+		s.NewHandler(&Greeter{}),
+	)
+
+	s.Start()
+
 */
 package server