update docker launcher docs

bubble-server/src/main/resources/messages

@@ -1 +1 @@
-Subproject commit 5b0970b5689eaa46733468f8fe174020cab2188e
+Subproject commit a14f37dceb3f0efb6f9494ab6b5dcc04a0ed034f

docker/launcher.sh

@@ -11,6 +11,10 @@
 #   - pull bubble launcher docker image
 #   - run bubble launcher docker image
 #
+# Upon successful startup, the bubble launcher will be listening on port 8090
+#
+# Open http://127.0.0.1:8090/ in a web browser to continue with activation.
+#
 
 function die {
   echo 1>&2 "${1}"