Merge pull request #1314 from Kotlin/modules_topic

modules topic

Author: AndreiKingsley

docs/StardustDocs/d.tree

@@ -20,6 +20,7 @@
         <toc-element topic="gettingStartedJupyterNotebook.md"/>
         <toc-element topic="gettingStartedDatalore.md"/>
         <toc-element topic="gettingStartedGradleAdvanced.md"/>
+        <toc-element topic="Modules.md"/>
     </toc-element>
     <toc-element topic="concepts.md" accepts-web-file-names="overview.html">
         <toc-element topic="apiLevels.md"/>