Update build.gradle.kts

Author: Stefterv

java/gradle/build.gradle.kts

@@ -21,15 +21,20 @@ dependencies{
     testImplementation(libs.junit)
 }
 
-// TODO: CI/CD for publishing the plugin to the Gradle Plugin Portal
 gradlePlugin{
+    website = "https://processing.org/"
+    vcsUrl = "https://github.com/processing/processing4"
     plugins{
         create("processing.java"){
-            id = "org.processing.java"
+            id = project.properties.getOrElse("publishingGroup", { "org.processing" }).toString() + ".java"
+            displayName = "Processing Plugin"
+            description = "Gradle plugin for building Processing sketches"
+            tags = listOf("processing", "sketch", "dsl")
             implementationClass = "org.processing.java.gradle.ProcessingPlugin"
         }
     }
 }
+
 publishing{
     repositories{
         mavenLocal()