Allow embedding of share page.

src/app/(main)/layout.tsx

@@ -1,11 +1,11 @@
-import Shell from './Shell';
+import App from './App';
 import NavBar from './NavBar';
 import Page from 'components/layout/Page';
 import styles from './layout.module.css';
 
-export default function AppLayout({ children }) {
+export default function ({ children }) {
   return (
-    <Shell>
+    <App>
       <main className={styles.layout}>
         <nav className={styles.nav}>
           <NavBar />
@@ -14,6 +14,6 @@ export default function AppLayout({ children }) {
           <Page>{children}</Page>
         </section>
       </main>
-    </Shell>
+    </App>
   );
 }