Fix java/kotlin usage examples (#372)

Co-authored-by: Fruxz <28064149+TheFruxz@users.noreply.github.com>

docs/docs.gradle.kts

@@ -10,12 +10,13 @@ sourceSets {
     java {
       srcDir(file("modules/pkl-core/examples"))
       srcDir(file("modules/pkl-config-java/examples"))
+      srcDir(file("modules/java-binding/examples"))
     }
     val kotlin = project.extensions
       .getByType<KotlinJvmProjectExtension>()
       .sourceSets[name]
       .kotlin
-    kotlin.srcDir(file("modules/pkl-config-kotlin/examples"))
+    kotlin.srcDir(file("modules/kotlin-binding/examples"))
   }
 }
 

docs/modules/java-binding/examples/JavaConfigExample.java

@@ -13,7 +13,7 @@ public class JavaConfigExample {
     Config config;
     try (var evaluator = ConfigEvaluator.preconfigured()) { // <1>
       config = evaluator.evaluate(
-        ModuleSource.text("pigeon { age = 5; diet = \"Seeds\" }")); // <2>
+        ModuleSource.text("pigeon { age = 5; diet = new Listing { \"Seeds\" } }")); // <2>
     }
     var pigeon = config.get("pigeon"); // <3>
     var age = pigeon.get("age").as(int.class); // <4>

docs/modules/kotlin-binding/examples/KotlinConfigExample.kt

@@ -3,6 +3,7 @@
 import org.pkl.config.java.ConfigEvaluator
 import org.pkl.config.kotlin.forKotlin
 import org.pkl.config.kotlin.to
+import org.pkl.core.ModuleSource
 import org.junit.jupiter.api.Test
 
 // the pkl/pkl-examples repo has a similar example
@@ -12,7 +13,7 @@ class KotlinConfigExample {
     // tag::usage[]
     val evaluator = ConfigEvaluator.preconfigured().forKotlin() // <1>
     val config = evaluator.use { // <2>
-      it.evaluateText("""pigeon { age = 5; diet = "Seeds" }""")
+      it.evaluate(ModuleSource.text("""pigeon { age = 5; diet = new Listing { "Seeds" } }"""))
     }
     val pigeon = config["pigeon"] // <3>
     val age = pigeon["age"].to<Int>() // <4>
@@ -25,7 +26,7 @@ class KotlinConfigExample {
     // tag::nullable[]
     val evaluator = ConfigEvaluator.preconfigured().forKotlin()
     val config = evaluator.use {
-      it.evaluateText("name = null") // <1>
+      it.evaluate(ModuleSource.text("name = null")) // <1>
     }
     val name = config["name"].to<String?>() // <2>
     // end::nullable[]