Stage all layout updates

components/sidebar-layout.tsx

@@ -0,0 +1,10 @@
+import { RightSidebar } from './right-sidebar';
+
+export function SidebarLayout({ children }: { children: React.ReactNode }) {
+    return (
+        <div className="grid gap-8 lg:grid-cols-[minmax(0,3fr)_minmax(0,1.4fr)]">
+            <div>{children}</div>
+            <RightSidebar />
+        </div>
+    );
+}