asynchronously subscribe to user connections (#310)

* asynchronously subscribe to user connections

* send subscription status summaries to view/api

* refactor

* add help messages in summaries

* update simplexmq

* rename config field

Co-authored-by: Evgeny Poberezkin <2769109+epoberezkin@users.noreply.github.com>

tests/ChatClient.hs

@@ -43,7 +43,8 @@ opts =
   ChatOpts
     { dbFilePrefix = undefined,
       smpServers = ["smp://LcJUMfVhwD8yxjAiSaDzzGF3-kLG4Uh0Fl_ZIjrRwjI=@localhost:5001"],
-      logging = False
+      logConnections = False,
+      logAgent = False
     }
 
 termSettings :: VirtualTerminalSettings