Add blog service & follow model changes in tags/posts (#22)

blog/main.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	comments "github.com/micro/services/blog/comments/proto"
+	"github.com/micro/services/blog/handler"
+	posts "github.com/micro/services/blog/posts/proto"
+	proto "github.com/micro/services/blog/proto"
+	tags "github.com/micro/services/blog/tags/proto"
+
+	"github.com/micro/micro/v3/service"
+	"github.com/micro/micro/v3/service/logger"
+)
+
+func main() {
+	// Create service
+	srv := service.New(
+		service.Name("blog"),
+	)
+
+	// Register handler
+	proto.RegisterBlogHandler(srv.Server(), handler.NewBlog(
+		posts.NewPostsService("posts", srv.Client()),
+		comments.NewCommentsService("comments", srv.Client()),
+		tags.NewTagsService("tags", srv.Client()),
+	))
+
+	// Run service
+	if err := srv.Run(); err != nil {
+		logger.Fatal(err)
+	}
+}