Added publishing, upgrade kotlin version

build.gradle.kts

@@ -1,6 +1,7 @@
 plugins {
-    kotlin("multiplatform") version "2.0.20-Beta2"
-    id("maven-publish")
+    kotlin("multiplatform") version "2.1.0"
+    `maven-publish`
+    signing
 }
 
 group = "nl.astraeus"
@@ -58,3 +59,75 @@ kotlin {
         }
     }
 }
+
+extra["PUBLISH_GROUP_ID"] = group
+extra["PUBLISH_VERSION"] = version
+extra["PUBLISH_ARTIFACT_ID"] = name
+
+// Stub secrets to let the project sync and build without the publication values set up
+val signingKeyId: String? by project
+val signingPassword: String? by project
+val signingSecretKeyRingFile: String? by project
+
+extra["signing.keyId"] = signingKeyId
+extra["signing.password"] = signingPassword
+extra["signing.secretKeyRingFile"] = signingSecretKeyRingFile
+
+val javadocJar by tasks.registering(Jar::class) {
+    archiveClassifier.set("javadoc")
+}
+
+publishing {
+    repositories {
+        maven {
+            name = "gitea"
+            setUrl("https://gitea.astraeus.nl/api/packages/rnentjes/maven")
+
+            credentials {
+                val giteaUsername: String? by project
+                val giteaPassword: String? by project
+
+                username = giteaUsername
+                password = giteaPassword
+            }
+        }
+    }
+
+    // Configure all publications
+    publications.withType<MavenPublication> {
+        // Stub javadoc.jar artifact
+        artifact(javadocJar.get())
+
+        // Provide artifacts information requited by Maven Central
+        pom {
+            name.set("vst-ui-base")
+            description.set("Vst UI base")
+            url.set("https://gitea.astraeus.nl/rnentjes/vst-ui-base")
+
+            licenses {
+                license {
+                    name.set("MIT")
+                    url.set("https://opensource.org/licenses/MIT")
+                }
+            }
+            developers {
+                developer {
+                    id.set("rnentjes")
+                    name.set("Rien Nentjes")
+                    email.set("info@nentjes.com")
+                }
+            }
+            scm {
+                url.set("https://gitea.astraeus.nl/rnentjes/vst-ui-base")
+            }
+        }
+    }
+}
+
+signing {
+    sign(publishing.publications)
+}
+
+tasks.withType<PublishToMavenRepository> {
+    dependsOn(tasks.withType<Sign>())
+}