fix routing and added ui-extension package

scm-ui/ui-extensions/src/testing/Label.js

@@ -0,0 +1,14 @@
+//@flow
+import React from "react";
+
+type Props = {
+  value: string
+};
+
+class Label extends React.Component<Props> {
+  render() {
+    return <label>{this.props.value}</label>;
+  }
+}
+
+export default Label;