Rewrite admin. (#1713)

* Rewrite admin.

* Clean up password forms.

* Fix naming issues.

* CSS Naming.

components/layout/Page.js

@@ -1,6 +1,15 @@
 import classNames from 'classnames';
 import styles from './Page.module.css';
+import { Banner, Loading } from 'react-basics';
+
+export default function Page({ className, error, loading, children }) {
+  if (error) {
+    return <Banner variant="error">Something went wrong.</Banner>;
+  }
+
+  if (loading) {
+    return <Loading />;
+  }
 
-export default function Page({ className, children }) {
   return <div className={classNames(styles.page, className)}>{children}</div>;
 }