docs: publish dokka javadoc (#112)

Author: stainless-app[bot]

build.gradle.kts

@@ -1,4 +1,18 @@
+plugins {
+    id("org.jetbrains.dokka") version "2.0.0"
+}
+
 allprojects {
     group = "com.openai"
     version = "0.11.2" // x-release-please-version
 }
+
+subprojects {
+    apply(plugin = "org.jetbrains.dokka")
+}
+
+tasks.register<Jar>("dokkaJavadocJar") {
+    dependsOn(tasks.dokkaJavadoc)
+    from(tasks.dokkaJavadoc.flatMap { it.outputDirectory })
+    archiveClassifier.set("javadoc")
+}

buildSrc/src/main/kotlin/openai.publish.gradle.kts

@@ -1,3 +1,5 @@
+import com.vanniktech.maven.publish.JavadocJar
+import com.vanniktech.maven.publish.KotlinJvm
 import com.vanniktech.maven.publish.MavenPublishBaseExtension
 import com.vanniktech.maven.publish.SonatypeHost
 
@@ -18,7 +20,13 @@ configure<MavenPublishBaseExtension> {
     signAllPublications()
     publishToMavenCentral(SonatypeHost.CENTRAL_PORTAL)
 
-    this.coordinates(project.group.toString(), project.name, project.version.toString())
+    coordinates(project.group.toString(), project.name, project.version.toString())
+    configure(
+        KotlinJvm(
+            javadocJar = JavadocJar.Dokka("dokkaJavadoc"),
+            sourcesJar = true,
+        )
+    )
 
     pom {
         name.set("OpenAI API")