perf: remove unused UI catalog and external font

app/pages/packages/router.wrn

@@ -6,7 +6,7 @@ page wrnexusrouter {
 
   view {
     <div class="docs-shell">
-      <SkipLink label="Skip to content" href="#main" class="docs-skip-link" />
+      <a href="#main" class="skip-link">Skip to content</a>
       <header class="topbar">
         <a class="brand" href="/"><span>W</span> WRNexusJS</a>
         <nav aria-label="Primary"><a href="/getting-started">Get started</a><a href="/packages">Packages</a><a href="https://component.wrnexusjs.dev/">Components</a><a href="/language">Language</a><a href="/architecture">Architecture</a></nav>
@@ -303,7 +303,6 @@ const m = matchRoute(routes, &quot;/posts/hello&quot;); // &#123; route, params:
       <aside class="on-this-page"><h2>On this page</h2><nav><a class="toc-level-2" href="#guide">Guide</a><a class="toc-level-3" href="#overview">Overview</a><a class="toc-level-3" href="#directory-conventions">Directory conventions</a><a class="toc-level-3" href="#api">API</a><a class="toc-level-4" href="#buildrouter-appdir-opts-router">buildRouter(appDir, opts?): Router</a><a class="toc-level-4" href="#route-matching">Route matching</a><a class="toc-level-4" href="#typed-routes-codegen">Typed-routes codegen</a><a class="toc-level-4" href="#re-exports">Re-exports</a><a class="toc-level-3" href="#usage">Usage</a><a class="toc-level-3" href="#requirements-notes">Requirements / Notes</a><a class="toc-level-2" href="#api">Complete API</a><a class="toc-level-2" href="#examples">Examples</a></nav></aside>
     </main>
       <footer><div class="footer-brand"><span class="footer-mark" aria-hidden="true">W</span><p><strong>WRNexusJS 0.8.0</strong><span>Complete API documentation generated from installed package declarations.</span></p></div><nav aria-label="Footer"><a href="/packages">All packages</a><a href="/getting-started">Get started</a><a href="/security">Security</a><a href="/support">Support</a><a href="/llms.txt">AI guide</a></nav><p class="footer-meta">Private Developer Preview · Bun-native</p></footer>
-      <BackToTop />
     </div>
   }
 }