Update Brev launchable creation instructions for the new Nsight services setup and new Brev UI.

Author: brycelelbach

docs/brev_create_launchable.md

@@ -27,11 +27,12 @@
 
 - Click "No, I don't want Jupyter".
 - Scroll to "Secure Links".
-- Rename "tunnel-4" to "jupyter" on port 8888.
-- Rename "tunnel-5" to "jupyter" on port 8080.
-- Delete "tunnel-6".
+- Delete the two secure links for port 3478 and 3479 if they exist.
+- Rename the secure link for port 8888 to "jupyter".
+- Rename the secure link for port 8080 to "nsys" if it exists.
+- Rename the secure link for port 8080 to "ncu" if it exists.
 - Click "TCP/UDP Ports".
-- Select "Port or port range" textbox and input "3478".
+- Select "Port or port range" textbox and input "3478-3479".
 - Click "Add Rule".
 - Click "Next".