fix: remove empty line at the end of file

Laroikin · Laroikin · commit 039569823a9c · 2023-05-22T20:29:22.000+09:00
diff --git a/src/content/learn/rendering-lists.md b/src/content/learn/rendering-lists.md
@@ -1261,4 +1261,4 @@ hr {
 
 </Solution>
 
-</Challenges>
+</Challenges>
