docs: give correct title to cards stack

resolves #1723

Author: joshuaellis

docs/src/pages/hooks/use-springs.mdx

@@ -54,7 +54,7 @@ All properties documented in the [common props](/common/props) apply.
 ## Demos
 
 <DemoGrid>
-  <Demo title="Card Stack">
+  <Demo title="Cards Stack">
     <CardStackDemo />
   </Demo>
   <Demo title="Draggable List">