Add publish-library convention plugin

buildSrc/src/main/kotlin/conventions/publish-library.gradle.kts

@@ -0,0 +1,46 @@
+package conventions
+
+import org.gradle.kotlin.dsl.java
+import org.gradle.kotlin.dsl.kotlin
+
+plugins {
+    java
+    kotlin("jvm")
+    `maven-publish`
+
+}
+
+val libs = extensions.getByType<VersionCatalogsExtension>().named("libs")
+val openrndr = extensions.getByType<VersionCatalogsExtension>().named("openrndr")
+
+val demo = sourceSets.create("demo")
+
+val main = sourceSets.getByName("main")
+val mainImplementation = project.configurations.getByName(main.implementationConfigurationName)
+
+
+val demoImplementation = project.configurations.getByName(demo.implementationConfigurationName)
+//demoImplementation.dependencies.addAll(mainImplementation.dependencies)
+//
+//val demo by sourceSets.creating {
+//
+//
+//}
+demoImplementation.extendsFrom(mainImplementation)
+
+dependencies {
+    "demoRuntimeOnly"(openrndr.findLibrary("gl3").get())
+}
+
+publishing {
+    publications {
+        create<MavenPublication>("maven") {
+            from(components["java"])
+            groupId = property("project.group")?.toString() ?: error("project.group not set")
+            artifactId = property("project.name")?.toString() ?: error("project.name not set")
+            description = property("project.name")?.toString() ?: error("project.name not set")
+            version = property("project.version")?.toString() ?: error("project.version not set")
+
+        }
+    }
+}