create scaffolding for wasm distribution

build.gradle.kts

@@ -1,18 +1,16 @@
 plugins {
-    kotlin("jvm") version "2.1.21"
-    application
+    kotlin("multiplatform") version "2.1.21"
 }
 
 group = "org.example"
 version = "1.0-SNAPSHOT"
 
-java {
-    sourceCompatibility = JavaVersion.VERSION_23
-    targetCompatibility = JavaVersion.VERSION_23
-}
-
-tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile> {
-    kotlinOptions.jvmTarget = "23"
+kotlin {
+    @OptIn(org.jetbrains.kotlin.gradle.ExperimentalWasmDsl::class)
+    wasmJs {
+        browser()
+        binaries.executable()
+    }
 }
 
 repositories {
@@ -27,16 +25,3 @@ repositories {
         url = uri("https://mvn.slimjars.com")
     }
 }
-
-dependencies {
-    implementation("com.github.tordanik.OSM2World:osm2world-core:3be7059")
-    testImplementation(kotlin("test"))
-}
-
-application {
-    mainClass.set("org.example.MainKt")
-}
-
-tasks.test {
-    useJUnitPlatform()
-}