added ksp arg to generate room code in kotlin

build-logic/convention/src/main/kotlin/AndroidRoomConventionPlugin.kt

@@ -15,6 +15,7 @@
  */
 
 import androidx.room.gradle.RoomExtension
+import com.google.devtools.ksp.gradle.KspExtension
 import com.google.samples.apps.nowinandroid.libs
 import org.gradle.api.Plugin
 import org.gradle.api.Project
@@ -28,6 +29,10 @@ class AndroidRoomConventionPlugin : Plugin<Project> {
             pluginManager.apply("androidx.room")
             pluginManager.apply("com.google.devtools.ksp")
 
+            extensions.configure<KspExtension> {
+                arg("room.generateKotlin", "true")
+            }
+
             extensions.configure<RoomExtension> {
                 // The schemas directory contains a schema file for each version of the Room database.
                 // This is required to enable Room auto migrations.