Add users to Fleet, TheHive, and Cortex when adding a user to SO via so-user-add command

salt/common/tools/sbin/so-common

@@ -34,4 +34,9 @@ header() {
 lookup_pillar() {
         key=$1
         cat /opt/so/saltstack/local/pillar/global.sls | grep $key | awk '{print $2}'
+}
+
+lookup_pillar_secret() {
+        key=$1
+        cat /opt/so/saltstack/local/pillar/secrets.sls | grep $key | awk '{print $2}'
 }