use reflow to migrate from flow to typescript

scm-ui/ui-components/src/navigation/Navigation.tsx

@@ -0,0 +1,13 @@
+import * as React from 'react';
+
+type Props = {
+  children?: React.Node;
+};
+
+class Navigation extends React.Component<Props> {
+  render() {
+    return <aside className="menu">{this.props.children}</aside>;
+  }
+}
+
+export default Navigation;