✨ (reference): add reference for container

Author: yuanyu90221

README.md

@@ -82,4 +82,11 @@ func child() {
 	// panic for any error
 	util.Must(cmd.Run())
 }
-```
+```
+
+### reference
+
+https://www.redhat.com/en/topics/containers#container-orchestration
+https://kubernetes.io/docs/concepts/containers/
+https://abdelouahabmbarki.com/building-a-homemade-container-with-go/
+https://www.youtube.com/watch?v=MHv6cWjvQjM