Update use-asynchronous-loading-676b636.md (#182)

Code snippet prettying: removed extra indention space

Co-authored-by: Günter Klatt <57760635+KlattG@users.noreply.github.com>

Author: pubmikeb

docs/03_Get-Started/use-asynchronous-loading-676b636.md

@@ -86,7 +86,7 @@ To configure the targets for asynchronous loading, please also check the [Routin
         "viewName": "my.app.view.App",
         "type": "XML",
         "id": "app",
-         "async": true
+        "async": true
     },
     "routing": {
         "config": {