devtools/gerrit: attempt to deploy theme

This doesn't entirely work, as we need to use PolyGerrit 3 compatible
theme injection.

Change-Id: I13305a4774028bdb92c1449ddb461b59ce8ae82f
diff --git a/devtools/gerrit/entrypoint.sh b/devtools/gerrit/entrypoint.sh
index ffea5f3..f303263 100755
--- a/devtools/gerrit/entrypoint.sh
+++ b/devtools/gerrit/entrypoint.sh
@@ -19,6 +19,10 @@
 
 cp /var/gerrit-plugins/* /var/gerrit/plugins/
 
+mkdir -p /var/gerrit/static
+cp -r /var/gerrit-theme/*png /var/gerrit/static/
+cp -r /var/gerrit-theme/*css /var/gerrit/etc/
+
 echo "Starting config updater..."
 # Keep copying config over in background. We cannot run directly from
 # the configmap filesystem as gerrit really wants a read-write FS.