refactor(docs): remove card shells and format examples

app/pages/components/split-layout.wrn

@@ -17,7 +17,11 @@ page SplitLayoutcomponent {
   props {
     class = ""
   }
-  view { <div class="wire-split-layout {class}"><slot /></div> }
+  view {
+        <div class="wire-split-layout {class}">
+        <slot />
+        </div>
+    }
 }
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