Workshop: Kotlin - Learn by building a simple Sudoku Game (Part 1 of 3)

This is a skeleton to build a simple standalone Sudoku Game in Kotlin.

Workshop resources

Tutorial:
https://goo.gl/LbqBk2
Java SDK:
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html
IntelliJ IDEA:
https://www.jetbrains.com/idea/download

Kotlin resources

Browse through samples and try them online:
https://try.kotlinlang.org/#/Examples/Hello,%20world!/Simplest%20version/Simplest%20version.kt
Kotlin koans. Hands-on learning:
https://try.kotlinlang.org/#/Kotlin%20Koans/Introduction/Hello,%20world!/Task.kt
Kotlin language reference:
http://kotlinlang.org/docs/reference/

Feedback

Please help improve this workshop - https://goo.gl/XgAEir

Next part of the workshop

Part 2:
https://github.com/anikiki/sudoku-init-part2