chore: temporarily revert

Author: danil-pavlov

docs/kr.tree

@@ -108,7 +108,7 @@
 		<toc-element topic="reflection.md"/>
 	</toc-element>
 	<toc-element toc-title="Solutions">
-		<toc-element toc-title="Data analysis">
+		<toc-element toc-title="Kotlin for data analysis">
 			<toc-element toc-title="Overview" accepts-web-file-names="data-science-overview.html" topic="data-analysis-overview.md"/>
 			<toc-element toc-title="Get started with Kotlin Notebook">
 				<toc-element toc-title="Introduction to Kotlin Notebook" topic="get-started-with-kotlin-notebooks.md"/>
@@ -240,6 +240,7 @@
 			<toc-element accepts-web-file-names="quick-run.html" topic="run-code-snippets.md"/>
 			<toc-element toc-title="KDoc" topic="kotlin-doc.md"/>
 			<toc-element toc-title="OSGi" topic="kotlin-osgi.md"/>
+            <toc-element toc-title="TeamCity" topic="kotlin-and-ci.md"/>
 			<toc-element hidden="true" toc-title="Migrate to Kotlin code style with IntelliJ IDEA" topic="code-style-migration-guide.md"/>
 		</toc-element>
 	</toc-element>