Finalize jar file deployment

Brief Installation Guide (Detailed Guide found in project directory's docs/README.md aka User Guide, and CS2103T course website)

1. Download yasumax.jar in your local home directory.
2. Navigate to your local home directory and run java -jar yasumax.jar
3. You may run either or both the CLI mode (via yasumax.java) or the GUI mode with Gradle.

Have fun testing it out please, senpai.