Release of duke-0.3.jar

• Fix storage issue
• Restrict empty description for task input
• Fix date parser
• Update README

Release of duke-0.2.jar

• Add GUI using JavaFX
• Add runtimeOnly dependencies

Update v0.2

• Add GUI using JavaFX
• Add runtimeOnly dependencies

Release of duke-0.1.3.jar

v0.1

Package the App as a JAR file