Update create-packages.md (#1376)

Bergiu · web-flow · commit 2381dc66069f · 2025-03-25T11:41:32.000Z
fixed dev feature code block
diff --git a/nimble-guide/docs/create-packages.md b/nimble-guide/docs/create-packages.md
@@ -283,7 +283,7 @@ Since the `dev` feature is used frequently, an alias is available:
 ```nim
 dev:
   require "unittest2"
-
+```
 
 
 ### `nimble tasks`
