add core lib for kotlin

src/main/java/Dependencies.kt

@@ -32,6 +32,13 @@ object Dependencies {
      * [Releases](https://developer.android.com/jetpack/androidx/versions).
      */
     object AndroidX {
+        /**
+         * [androidx.tech](https://androidx.tech/artifacts/core/core-ktx/)
+         *
+         * [Changelog](https://developer.android.com/jetpack/androidx/releases/core)
+         */
+        val core = Dependency("androidx.core:core-ktx", "1.13.1")
+
         /**
          * [androidx.tech](https://androidx.tech/artifacts/appcompat/appcompat/)
          *

src/main/java/DependencyHandlerExtensions.kt

@@ -25,6 +25,7 @@ fun DependencyHandler.ksp(dependency: Dependency) {
 }
 
 fun DependencyHandler.defaultLibrary() {
+    api(Dependencies.AndroidX.core)
     api(Dependencies.AndroidX.appcompat)
     api(Dependencies.AndroidX.materialDesign)
 }

src/main/java/Version.kt

@@ -29,6 +29,7 @@ object Version {
         const val language = "1.9.10"
 
         val javaSource = JavaVersion.VERSION_1_8
+        const val jvmTarget = "1.8"
     }
 
     object Android {