feat: release design system engine, studio and component contracts

examples/component-showcase/app/pages/components/legend-indicator.wrn

@@ -278,7 +278,7 @@ page LegendIndicatorDetail {
         <div class="demo-workbench">
           <div id="legend-indicator-demo-1" class="demo-canvas demo-canvas--1">
             <div class="demo-browser-chrome"><span></span><span></span><span></span><small>Live preview</small></div>
-            
+
             <div class="demo-render"><LegendIndicator size="default" title="Traffic sources" description="Select a source to toggle its visibility." items='[{"label":"Direct","color":"#8b5cf6","value":"42%"},{"label":"Search","color":"#14b8a6","value":"35%"},{"label":"Referral","color":"#f59e0b","value":"23%"}]' variant="default" class="showcase-instance showcase-instance--1" /></div>
           </div>
           <section class="demo-code" aria-label="Chart legend usage">