sort components into widgets and views

src/widgets/load-spinner.jsx

@@ -0,0 +1,8 @@
+import React from 'react';
+
+export default class LoadSpinner extends React.PureComponent {
+  render() {
+    return (this.props.show ?
+      <div className="load-spinner-box"><div className="loader-spinner"></div></div> : null);
+  }
+}