chore: rearrange items in the nav tree (#5176)

Author: koshachy

docs/kr.tree

@@ -2,6 +2,7 @@
 <!DOCTYPE instance-profile SYSTEM "https://resources.jetbrains.com/writerside/1.0/product-profile.dtd">
 <instance-profile id="kr" name="Kotlin" start-page="home.topic" status="release">
     <toc-element toc-title="Home" topic="home.topic"/>
+    <toc-element toc-title="Get started" topic="getting-started.md"/>
     <toc-element toc-title="Take Kotlin tour" topic="kotlin-tour-welcome.md">
         <toc-element hidden="true" topic="kotlin-tour-hello-world.md"/>
         <toc-element hidden="true" topic="kotlin-tour-basic-types.md"/>
@@ -20,7 +21,6 @@
         <toc-element hidden="true" topic="kotlin-tour-intermediate-null-safety.md"/>
         <toc-element hidden="true" topic="kotlin-tour-intermediate-libraries-and-apis.md"/>
     </toc-element>
-    <toc-element toc-title="Get started" topic="getting-started.md"/>
     <toc-element toc-title="What's new in Kotlin">
         <toc-element toc-title="Kotlin 2.3.0-Beta2" topic="whatsnew-eap.md"/>
         <toc-element toc-title="Kotlin 2.2.20" accepts-web-file-names="whatsnew.html" topic="whatsnew2220.md"/>
@@ -217,6 +217,7 @@
     <toc-element toc-title="Kotlin-powered solutions">
         <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 topic="kotlin-notebook-overview.md" toc-title="Kotlin Notebook overview"/>
             <toc-element toc-title="Get started with Kotlin Notebook">
                 <toc-element toc-title="Introduction to Kotlin Notebook" topic="get-started-with-kotlin-notebooks.md"/>
                 <toc-element toc-title="1. Set up an environment" topic="kotlin-notebook-set-up-env.md"/>
@@ -232,7 +233,6 @@
             </toc-element>
             <toc-element toc-title="Data visualization in Kotlin Notebook" topic="data-analysis-visualization.md"/>
             <toc-element toc-title="Libraries for data analysis" topic="data-analysis-libraries.md"/>
-            <toc-element topic="kotlin-notebook-overview.md"/>
         </toc-element>
         <toc-element toc-title="Kotlin for AI-powered apps">
             <toc-element toc-title="Overview" topic="kotlin-ai-apps-development-overview.md"/>
@@ -435,15 +435,15 @@
             <toc-element toc-title="GSoC 2024" topic="gsoc-2024.md"/>
             <toc-element toc-title="GSoC 2023" topic="gsoc-2023.md"/>
         </toc-element>
-        <toc-element topic="security.md"/>
-        <toc-element topic="kotlin-pdf.md"/>
         <toc-element toc-title="Community">
             <toc-element topic="contribute.md"/>
             <toc-element accepts-web-file-names="kug-branding.html" topic="kug-guidelines.md"/>
             <toc-element accepts-web-file-names="kotlin-nights-branding.html" topic="kotlin-night-guidelines.md"/>
             <toc-element topic="slack-code-of-conduct.md"/>
         </toc-element>
         <toc-element accepts-web-file-names="kotlin-logo.html" topic="kotlin-brand-assets.md"/>
+        <toc-element topic="kotlin-pdf.md"/>
+        <toc-element topic="security.md"/>
         <toc-element toc-title="Press kit" href="https://kotlinlang.org/assets/kotlin-media-kit.pdf"/>
         <toc-element hidden="true" topic="test-page.md"/>
     </toc-element>