fix: publish shadow jar (#210)

Author: s12f

client/build.gradle.kts

@@ -11,6 +11,7 @@ plugins {
     id("com.diffplug.spotless") version "6.2.0"
 
     id("me.champeau.jmh") version "0.6.7"
+    id("com.github.johnrengelman.shadow") version "7.1.2"
 }
 
 group = "io.hstream"
@@ -104,8 +105,8 @@ protobuf {
 publishing {
     publications {
         create<MavenPublication>("mavenJava") {
+            project.shadow.component(this)
             artifactId = "hstreamdb-java"
-            from(components["java"])
             versionMapping {
                 usage("java-api") {
                     fromResolutionOf("runtimeClasspath")
@@ -209,5 +210,12 @@ spotless {
     }
 }
 
+tasks {
+    shadowJar {
+        archiveClassifier.set("")
+        mergeServiceFiles()
+    }
+}
+
 jmh {
 }