chore: add no index tag to intermediate tour

Author: sarahhaggarty

docs/topics/tour/kotlin-tour-intermediate-classes-interfaces.md

@@ -1,5 +1,7 @@
 [//]: # (title: Intermediate: Classes and interfaces)
 
+<no-index/>
+
 <tldr>
     <p><img src="icon-1-done.svg" width="20" alt="First step" /> <a href="kotlin-tour-intermediate-extension-functions.md">Extension functions</a><br />
         <img src="icon-2-done.svg" width="20" alt="Second step" /> <a href="kotlin-tour-intermediate-scope-functions.md">Scope functions</a><br />

docs/topics/tour/kotlin-tour-intermediate-extension-functions.md

@@ -1,5 +1,7 @@
 [//]: # (title: Intermediate: Extension functions)
 
+<no-index/>
+
 <tldr>
     <p><img src="icon-1.svg" width="20" alt="First step" /> <strong>Extension functions</strong><br />
         <img src="icon-2-todo.svg" width="20" alt="Second step" /> <a href="kotlin-tour-intermediate-scope-functions.md">Scope functions</a><br />

docs/topics/tour/kotlin-tour-intermediate-lambdas-receiver.md

@@ -1,5 +1,7 @@
 [//]: # (title: Intermediate: Lambda expressions with receiver)
 
+<no-index/>
+
 <tldr>
     <p><img src="icon-1-done.svg" width="20" alt="First step" /> <a href="kotlin-tour-intermediate-extension-functions.md">Extension functions</a><br />
         <img src="icon-2-done.svg" width="20" alt="Second step" /> <a href="kotlin-tour-intermediate-scope-functions.md">Scope functions</a><br />

docs/topics/tour/kotlin-tour-intermediate-libraries-and-apis.md

@@ -1,5 +1,7 @@
 [//]: # (title: Intermediate: Libraries and APIs)
 
+<no-index/>
+
 <tldr>
     <p><img src="icon-1-done.svg" width="20" alt="First step" /> <a href="kotlin-tour-intermediate-extension-functions.md">Extension functions</a><br />
         <img src="icon-2-done.svg" width="20" alt="Second step" /> <a href="kotlin-tour-intermediate-scope-functions.md">Scope functions</a><br />

docs/topics/tour/kotlin-tour-intermediate-null-safety.md

@@ -1,5 +1,7 @@
 [//]: # (title: Intermediate: Null safety)
 
+<no-index/>
+
 <tldr>
     <p><img src="icon-1-done.svg" width="20" alt="First step" /> <a href="kotlin-tour-intermediate-extension-functions.md">Extension functions</a><br />
         <img src="icon-2-done.svg" width="20" alt="Second step" /> <a href="kotlin-tour-intermediate-scope-functions.md">Scope functions</a><br />

docs/topics/tour/kotlin-tour-intermediate-objects.md

@@ -1,5 +1,7 @@
 [//]: # (title: Intermediate: Objects)
 
+<no-index/>
+
 <tldr>
     <p><img src="icon-1-done.svg" width="20" alt="First step" /> <a href="kotlin-tour-intermediate-extension-functions.md">Extension functions</a><br />
         <img src="icon-2-done.svg" width="20" alt="Second step" /> <a href="kotlin-tour-intermediate-scope-functions.md">Scope functions</a><br />

docs/topics/tour/kotlin-tour-intermediate-open-special-classes.md

@@ -1,5 +1,7 @@
 [//]: # (title: Intermediate: Open and special classes)
 
+<no-index/>
+
 <tldr>
     <p><img src="icon-1-done.svg" width="20" alt="First step" /> <a href="kotlin-tour-intermediate-extension-functions.md">Extension functions</a><br />
         <img src="icon-2-done.svg" width="20" alt="Second step" /> <a href="kotlin-tour-intermediate-scope-functions.md">Scope functions</a><br />

docs/topics/tour/kotlin-tour-intermediate-properties.md

@@ -1,5 +1,7 @@
 [//]: # (title: Intermediate: Properties)
 
+<no-index/>
+
 <tldr>
     <p><img src="icon-1-done.svg" width="20" alt="First step" /> <a href="kotlin-tour-intermediate-extension-functions.md">Extension functions</a><br />
         <img src="icon-2-done.svg" width="20" alt="Second step" /> <a href="kotlin-tour-intermediate-scope-functions.md">Scope functions</a><br />

docs/topics/tour/kotlin-tour-intermediate-scope-functions.md

@@ -1,5 +1,7 @@
 [//]: # (title: Intermediate: Scope functions)
 
+<no-index/>
+
 <tldr>
     <p><img src="icon-1-done.svg" width="20" alt="First step" /> <a href="kotlin-tour-intermediate-extension-functions.md">Extension functions</a><br />
         <img src="icon-2.svg" width="20" alt="Second step" /> <strong>Scope functions</strong><br />