Extract serialization plugin

buildSrc/build.gradle.kts

@@ -2,6 +2,7 @@ plugins {
     `kotlin-dsl`
     kotlin("jvm") version "1.4.10"
     id("com.github.johnrengelman.shadow") version "6.1.0" apply false
+    kotlin("plugin.serialization") version "1.4.10"
 }
 
 repositories {
@@ -11,6 +12,7 @@ repositories {
 
 dependencies {
     implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:1.4.10")
+    implementation("org.jetbrains.kotlin:kotlin-serialization:1.4.10")
     implementation("com.github.jengelman.gradle.plugins:shadow:6.1.0")
     implementation("org.jlleitschuh.gradle:ktlint-gradle:9.4.1")
 }

buildSrc/src/main/kotlin/be/simplenotes/kotlinx-serialization.gradle.kts

@@ -0,0 +1,6 @@
+package be.simplenotes
+
+plugins {
+    kotlin("jvm") apply false
+    kotlin("plugin.serialization")
+}