update service program to serve real frontend

diff --git a/gummikraken b/gummikraken
index 88caa199e5926833e96c94723612312eea229803..3eac7a2e2be1ba520542ab5da0ba9bb5b42a4b11 160000 (submodule)
--- a/gummikraken
+++ b/gummikraken
@@ -1 +1 @@
-Subproject commit 88caa199e5926833e96c94723612312eea229803
+Subproject commit 3eac7a2e2be1ba520542ab5da0ba9bb5b42a4b11