Add generic properties builder dsl, convert maven example to it

libraries/scripting/jvm/src/kotlin/script/experimental/jvm/jvmScriptConfiguration.kt

@@ -6,7 +6,13 @@
 package kotlin.script.experimental.jvm
 
 import java.io.File
+import kotlin.script.experimental.api.ScriptingProperties
 
 val jvmJavaHomeParams = with(JvmScriptCompileConfigurationProperties) {
     listOf(javaHomeDir to File(System.getProperty("java.home")))
 }
+
+object jvmJavaHomeScriptingProperties : ScriptingProperties(
+    {
+        JvmScriptCompileConfigurationProperties.javaHomeDir(File(System.getProperty("java.home")))
+    })

libraries/scripting/jvm/src/kotlin/script/experimental/jvm/jvmScriptData.kt

@@ -8,10 +8,11 @@
 package kotlin.script.experimental.jvm
 
 import java.io.File
+import kotlin.script.experimental.api.PropertiesGroup
 import kotlin.script.experimental.api.ScriptDependency
 import kotlin.script.experimental.util.typedKey
 
-object JvmScriptCompileConfigurationProperties {
+object JvmScriptCompileConfigurationProperties : PropertiesGroup {
     val javaHomeDir by typedKey<File>()
 }