feat: Update project structure and configuration files

backend/app/service/service.go

@@ -0,0 +1,14 @@
+package service
+
+import (
+	"go.ipao.vip/atom/container"
+	"quyun/providers/app"
+	"quyun/providers/event"
+)
+
+func Default(providers ...container.ProviderContainer) container.Providers {
+	return append(container.Providers{
+		app.DefaultProvider(),
+		event.DefaultProvider(),
+	}, providers...)
+}