v3.0.0

What's Changed

• Add Design pattern examples by @ghimiresdp in #17
  • Adapter Design Pattern
  • Builder Design Pattern
  • Decorator Design Pattern
  • Factory Design Pattern
  • Singleton Design Pattern
• Add command design pattern by @ghimiresdp in #18
  • Command design Pattern

Full Changelog: v2.0.0...v3.0.0