feat: deployable design studio and updated component showcase

app/pages/components/scrollspy.wrn

@@ -281,7 +281,7 @@ page ScrollspyDetail {
         <div class="demo-workbench">
           <div id="scrollspy-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"><div class="showcase-spy-doc"><section id="overview" class="showcase-spy-section"><h3>Overview</h3><p>Scroll this page and watch the marker in the list move. The runtime observes these sections against the viewport, so the current link follows whatever you are reading.</p></section><section id="installation" class="showcase-spy-section"><h3>Installation</h3><p>Each link points at one of these ids. Nothing is connected up by hand -- the component only renders the links, and the runtime moves aria-current.</p></section><section id="usage" class="showcase-spy-section"><h3>Usage</h3><p>The active link is marked with aria-current="location", which is what a screen reader announces, and styled through data-active.</p></section><section id="api" class="showcase-spy-section"><h3>API</h3><p>Clicking a link jumps to its section and marks it immediately, so the control responds even before the scroll settles.</p></section></div><Scrollspy size="default" items='[{"label":"Overview","href":"#overview"},{"label":"Installation","href":"#installation"},{"label":"Usage","href":"#usage"},{"label":"API","href":"#api"}]' active="#overview" label="Scrollspy" heading="On this page" sticky="false" class="showcase-instance showcase-instance--1" /></div>
           </div>
           <section class="demo-code" aria-label="Follows the reader usage">
@@ -325,7 +325,7 @@ page ScrollspyDetail {
         <div class="demo-workbench">
           <div id="scrollspy-demo-2" class="demo-canvas demo-canvas--2">
             <div class="demo-browser-chrome"><span></span><span></span><span></span><small>Live preview</small></div>
-            
+
             <div class="demo-render"><Scrollspy size="sm" items='[{"label":"Overview","href":"#overview"},{"label":"Installation","href":"#installation"},{"label":"Usage","href":"#usage"}]' active="#installation" label="Compact example" heading="Sections" sticky="false" class="showcase-instance showcase-instance--2" /></div>
           </div>
           <section class="demo-code" aria-label="Compact rail usage">