[current results ui] Add web hosting rewrite rule for current_results

Change-Id: I97335808d40669b4bdfde65f05f6f2ccf1011258
Reviewed-on: https://dart-review.googlesource.com/c/dart_ci/+/161680
Reviewed-by: Alexander Thomas <athom@google.com>
diff --git a/results_feed/firebase.json b/results_feed/firebase.json
index 4131135..0d8e9d9 100644
--- a/results_feed/firebase.json
+++ b/results_feed/firebase.json
@@ -2,6 +2,10 @@
   "hosting": {
     "public": "build/web",
     "rewrites": [ {
+      "source": "/current_results**",
+      "destination": "/current_results/index.html"
+    },
+    {
       "source": "**",
       "destination": "/index.html"
     }]