feat: add Kotlin intermediate tour scope functions

Author: sarahhaggarty

docs/kr.tree

@@ -12,6 +12,7 @@
 		<toc-element hidden="true" topic="kotlin-tour-classes.md"/>
 		<toc-element hidden="true" topic="kotlin-tour-null-safety.md"/>
         <toc-element hidden="true" topic="kotlin-tour-intermediate-extension-functions.md"/>
+		<toc-element hidden="true" topic="kotlin-tour-intermediate-scope-functions.md"/>
 	</toc-element>
 	<toc-element toc-title="Kotlin overview">
 		<toc-element topic="multiplatform.topic"/>