feat: Update project structure and configuration files

backend/providers/event/provider.go

@@ -0,0 +1,33 @@
+package event
+
+import (
+	"go.ipao.vip/atom/container"
+	"go.ipao.vip/atom/opt"
+
+	"github.com/ThreeDotsLabs/watermill/message"
+	"github.com/ThreeDotsLabs/watermill/pubsub/gochannel"
+)
+
+func Provide(opts ...opt.Option) error {
+	o := opt.New(opts...)
+	var config Config
+	if err := o.UnmarshalConfig(&config); err != nil {
+		return err
+	}
+
+	return container.Container.Provide(func() (*PubSub, error) {
+		logger := LogrusAdapter()
+
+		client := gochannel.NewGoChannel(gochannel.Config{}, logger)
+		router, err := message.NewRouter(message.RouterConfig{}, logger)
+		if err != nil {
+			return nil, err
+		}
+
+		return &PubSub{
+			Publisher:  client,
+			Subscriber: client,
+			Router:     router,
+		}, nil
+	}, o.DiOptions()...)
+}