Use buildSrc to deduplicate build logic (#262)

orx-kdtree/build.gradle

@@ -1,17 +0,0 @@
-sourceSets {
-    demo {
-        java {
-            srcDirs = ["src/demo/kotlin"]
-            compileClasspath += main.getCompileClasspath()
-            runtimeClasspath += main.getRuntimeClasspath()
-        }
-    }
-}
-
-dependencies {
-    demoImplementation(libs.openrndr.application)
-    demoImplementation(libs.openrndr.extensions)
-    demoRuntimeOnly(libs.openrndr.gl3.core)
-    demoRuntimeOnly(libs.openrndr.gl3.natives)
-    demoImplementation(sourceSets.getByName("main").output)
-}

orx-kdtree/build.gradle.kts

@@ -0,0 +1,15 @@
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+    org.openrndr.extra.convention.`kotlin-jvm`
+}
+
+tasks.withType<KotlinCompile> {
+    kotlinOptions.freeCompilerArgs = listOf("-opt-in=kotlin.RequiresOptIn")
+}
+
+dependencies {
+    implementation(libs.openrndr.application)
+    implementation(libs.openrndr.math)
+    implementation(libs.kotlin.coroutines)
+}