add grpc server support

services/grpc.go

@@ -0,0 +1,23 @@
+package services
+
+import (
+	"github.com/rogeecn/atom/container"
+	"github.com/rogeecn/atom/providers/grpcs"
+	"go.uber.org/dig"
+)
+
+type GrpcService struct {
+	dig.In
+
+	Server   *grpcs.Grpc
+	Services []grpcs.ServerService `group:"grpc_server_services"`
+}
+
+func ServeGrpc() error {
+	return container.Container.Invoke(func(grpc GrpcService) error {
+		for _, svc := range grpc.Services {
+			grpc.Server.RegisterService(svc.Name(), svc.Register)
+		}
+		return grpc.Server.Serve()
+	})
+}