Observer embryo, Maestro done

Observer/actionsHelper.js

@@ -0,0 +1,16 @@
+
+export function publishActionReply(redisCnx, options) {
+    const {
+        action,
+        reqid,
+        sender,
+        reply,
+        replyChannel,
+        senderId = 'observer',
+    } = options
+    reply.action = action
+    reply.sender = senderId
+    if(reqid) reply.reqid = reqid
+    const chan = replyChannel.replace(/\[UID\]/g, sender)
+    redisCnx.redisPublish(chan, reply)
+}