fix theme navigation and improve project scaffolding

packages/csr/src/nav-runtime.ts

@@ -65,6 +65,7 @@ export const NAV_RUNTIME = String.raw`
     try { if (window.__wrnexusHydrateScopes) window.__wrnexusHydrateScopes(document); } catch (e) {}
     try { if (window.__wrnexusHydrateCsrFetches) window.__wrnexusHydrateCsrFetches(document); } catch (e) {}
     try { if (window.__wireValidate) window.__wireValidate.init(document); } catch (e) {}
+    try { if (window.wireTheme) window.wireTheme.bind(document); } catch (e) {}
   }
 
   function render(html, url, isPop) {