WIP: Modernize the Stack Kotlin Edition

build.gradle

@@ -1,17 +1,44 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
+    ext {
+        kotlin_version = '1.9.22'
+    }
     repositories {
         mavenCentral()
         google()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:8.2.2'
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
 
+plugins {
+    id 'org.jetbrains.kotlin.jvm' version '1.9.22'
+}
+
 allprojects {
     repositories {
         mavenCentral()
         google()
     }
 }
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
+}
+
+compileKotlin {
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+}
+compileTestKotlin {
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+}