patterns-modules/design-patterns-singleton/README.md

### Relevant Articles:
- [How to Serialize a Singleton in Java](https://www.baeldung.com/java-serialize-singleton)
- [Bill Pugh Singleton Implementation](https://www.baeldung.com/java-bill-pugh-singleton-implementation)
Serialize a Singleton in Java (#13074 ) 2022-11-25 21:03:26 +03:30			`### Relevant Articles:`
Update README.md 2022-11-30 07:32:25 +08:00			`- [How to Serialize a Singleton in Java](https://www.baeldung.com/java-serialize-singleton)`
Update README.md 2023-11-18 18:51:09 +08:00			`- [Bill Pugh Singleton Implementation](https://www.baeldung.com/java-bill-pugh-singleton-implementation)`