Update contents.xcplayground

Author: lexzaiello

swift-polaris-playground.playground/contents.xcplayground

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<playground version='6.0' target-platform='macos' display-mode='rendered'>
+<playground version='6.0' target-platform='ios' display-mode='rendered'>
     <pages>
         <page name='Welcome'/>
         <page name='Hello, World'/>
     </pages>
-</playground>
+</playground>