Add a SettingsViewModel in Kotlin including the Kotlin deps
diff --git a/app/build.gradle b/app/build.gradle
index 086dede..a2bac22 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,6 +1,8 @@
 import groovy.xml.XmlUtil
 
 apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
 
 android {
 
@@ -78,8 +80,11 @@
             'libcore.jar'
     ], dir: 'libs')
 
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+
     implementation 'commons-io:commons-io:2.6'
 
-    implementation 'androidx.preference:preference:1.0.0'
+    implementation "androidx.core:core-ktx:1.0.2"
+    implementation 'androidx.preference:preference-ktx:1.0.0'
     implementation 'androidx.lifecycle:lifecycle-extensions:2.0.0'
 }