since this is a fun learning project, moved from java to kotlin for

more fun (or desperation)

build.gradle

@@ -1,11 +1,13 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 
 buildscript {
+    ext.kotlin_version = '1.2.30'
     repositories {
         jcenter()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files