Update env route, add some additional routes to test they are exposing properly

ui/app/api/time/route.ts

@@ -0,0 +1,7 @@
+import { NextResponse } from 'next/server';
+
+async function requestHandler(_request: Request): NextResponse {
+  return NextResponse.json({ 'time': Date.now() });
+}
+
+export { requestHandler as GET };