update

Signed-off-by: Wyllie Fang <wylliefang@gmail.com>

Author: Vincamine

content/en/cloud/academy/platform-development/index.md

@@ -7,7 +7,6 @@ categories: [Academy]
 aliases: 
 - /cloud/academy/advanced-contribution-guide/
 - /cloud/academy/platform-development/
-
 ---
 
 This guide walks you through the Layer5 Academy platform's multi-repository architecture. You will learn the role of each core component and master the practical workflows for theme development, local testing, and end-to-end validation with Layer5 Cloud.