fix(sketch): remove extra spaces in Chinese comment

Removed unnecessary spaces in the Chinese comment for consistency and readability.

Author: phodal

core/src/main/resources/genius/zh/code/sketch.vm

@@ -146,7 +146,7 @@ Index: src/main/index.html
 // the http code
 ```
 
-   启动应用程序
+启动应用程序
 
 ```bash
 ./gradlew :bootRun