Polish the migration guide

Author: yanex

Writerside/hi.tree

@@ -83,10 +83,5 @@
         </toc-element>
         <toc-element topic="File-Compilation.md"/>
     </toc-element>
-    <toc-element topic="Guides.md">
-        <toc-element topic="Migration-from-K1.md"/>
-        <toc-element topic="Migrating-Inspections.md"/>
-        <toc-element topic="Migrating-Intentions.md"/>
-        <toc-element topic="Using-Light-Classes.md"/>
-    </toc-element>
+    <toc-element topic="Migrating-from-K1.md"/>
 </instance-profile>

Writerside/topics/Guides.md

@@ -4,7 +4,7 @@ Represents a call within Kotlin code. It encompasses various types of calls, inc
 accesses, and other invocations. Analysis API provides a hierarchy of `KtCall` subtypes to model different call kinds.
 
 <code-block lang="mermaid">
-graph LR
+graph TB
   KaCall
   KaCall --> KaCallableMemberCall
   KaCallableMemberCall --> KaVariableAccessCall