add the cache service (#112)

cache/main.go

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