[build] modularize the project by having one module for providing the annotaiton, while we have another providing the annotation processor

Author: tobrun

annotation/build.gradle.kts

@@ -0,0 +1,15 @@
+plugins {
+    kotlin("jvm")
+}
+
+group = "com.tobrun.datacompat"
+version = "1.0-SNAPSHOT"
+
+repositories {
+    mavenCentral()
+    google()
+}
+
+dependencies {
+    implementation(kotlin("stdlib"))
+}

annotation/src/main/kotlin/com/tobrun/datacompat/annotation/DataCompat.kt

@@ -0,0 +1,9 @@
+package com.tobrun.datacompat.annotation
+
+/**
+ * Annotation class of DataCompat.
+ * Classes annotated with this annotation are required to be Kotlin data classes with private visibility.
+ */
+@Retention(AnnotationRetention.RUNTIME)
+@Target(AnnotationTarget.CLASS)
+annotation class DataCompat

example/build.gradle.kts

@@ -10,7 +10,7 @@ repositories {
 
 dependencies {
     implementation(kotlin("stdlib"))
-    implementation(project(":processor"))
+	implementation(project(":annotation"))
     ksp(project(":processor"))
 }
 

settings.gradle.kts

@@ -13,5 +13,6 @@ pluginManagement {
 
 rootProject.name = "data-compat"
 
+include(":annotation")
 include(":processor")
 include(":example")