update: update kc.tree (#2666)

* update: update kc.tree

add a redirect config for the previously renamed file basics.md to coroutines-basics.md

* fix: fix the redirect

Author: koshachy

docs/kc.tree

@@ -9,7 +9,7 @@
 
     <toc-element id="coroutines-guide.md"/>
     <toc-element id="async-programming.md"/>
-    <toc-element id="coroutines-basics.md"/>
+    <toc-element id="coroutines-basics.md" accepts-web-file-names="basics.html,coroutines-basic-jvm.html"/>
     <toc-element toc-title="Intro to coroutines and channels – hands-on tutorial" href="https://play.kotlinlang.org/hands-on/Introduction%20to%20Coroutines%20and%20Channels/"/>
     <toc-element id="cancellation-and-timeouts.md"/>
     <toc-element id="composing-suspending-functions.md"/>