bootstrap android and ios apps

catalogTool/build.gradle.kts

@@ -0,0 +1,18 @@
+plugins {
+    alias(libs.plugins.kotlinJvm)
+    alias(libs.plugins.kotlinSerialization)
+    application
+}
+
+kotlin {
+    jvmToolchain(21)
+}
+
+dependencies {
+    implementation(libs.kotlinx.serialization.json)
+}
+
+application {
+    mainClass.set("app.bertsatlas.catalogtool.MainKt")
+}
+