Add startup delay script for the roboRIO

The network was slow to come up.  So we now wait until we can ping the
pi's before starting up message bridge client.

Change-Id: I3f4d055b6fcdad1ee08aff3f1286ec1eef72fb14
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/y2022/message_bridge_client.sh b/y2022/message_bridge_client.sh
new file mode 100755
index 0000000..c81076a
--- /dev/null
+++ b/y2022/message_bridge_client.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+while true;
+do
+  ping -c 1 pi1 -W 1 && break;
+  sleep 1
+done
+
+echo Pinged
+
+exec /home/admin/bin/message_bridge_client "$@"