add kotlinx serialization

app/build.gradle.kts

@@ -2,7 +2,7 @@
 
 plugins {
     application
-    kotlin("plugin.serialization") version embeddedKotlinVersion
+    kotlin("plugin.serialization")
     id("com.bmuschko.docker-java-application") version "9.4.0"
 }
 

build.gradle.kts

@@ -1,7 +0,0 @@
-plugins {
-    alias(libs.plugins.kotlinx.serialization) version embeddedKotlinVersion
-}
-
-repositories {
-    mavenCentral()
-}

buildSrc/build.gradle.kts

@@ -8,4 +8,5 @@ repositories {
 
 dependencies {
     implementation(libs.gradle.kotlin.jvm)
+    implementation(libs.gradle.kotlinx.serialization)
 }

buildSrc/src/main/kotlin/module-convention.gradle.kts

@@ -1,6 +1,7 @@
 plugins {
     `java-library`
     kotlin("jvm")
+    id("org.jetbrains.kotlin.plugin.serialization")
 }
 
 repositories {

gradle/libs.versions.toml

@@ -24,7 +24,7 @@ kotlinx-coroutines-core = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-c
 ktor-server-content-negotation =  { module =  "io.ktor:ktor-server-content-negotiation", version.ref = "ktor" }
 ktor-serialization-kotlinx-json = { module = "io.ktor:ktor-serialization-kotlinx-json", version.ref = "ktor"}
 
-#plugin-kotlinx-serialization = { module = "org.jetbrains.kotlin:kotlin-serialization", version.ref = "kotlin"}
+gradle-kotlinx-serialization = { module = "org.jetbrains.kotlin:kotlin-serialization", version.ref = "kotlin"}
 gradle-kotlin-jvm = { module = "org.jetbrains.kotlin:kotlin-gradle-plugin", version.ref = "kotlin"}
 
 [plugins]