New Listings view (#192)

* completing found listings

---------

Co-authored-by: Christian Kellner <Christian.Kellner1@ibm.com>

ui/src/views/listings/Listings.jsx

@@ -0,0 +1,11 @@
+import React from 'react';
+
+import ListingsTable from '../../components/table/ListingsTable.jsx';
+
+export default function Listings() {
+  return (
+    <div>
+      <ListingsTable />
+    </div>
+  );
+}