style(v2): better loading screen

v2/lib/theme/Loading/index.js

@@ -0,0 +1,26 @@
+/**
+ * Copyright (c) 2017-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import React from 'react';
+
+import styles from './styles.module.css';
+
+export default props => {
+  if (props.error) {
+    console.log(props.error);
+    return <div align="center">Error</div>;
+  }
+  if (props.pastDelay) {
+    return (
+      <div className={styles.loader}>
+        <p>Please wait a moment</p>
+        <div className={styles.loaderSpinning} />
+      </div>
+    );
+  }
+  return null;
+};