simplex-chat server & JavaScript/TypeScript SDK/client (#539)

* simplex-chat server

* typescript types for chat commands and command serialization

* typescript ChatResponse type

* more types

* more types

* websocket chat client

* aligb ts/haskell types

* chat server & TS client via websockets - it works

* TS chat client test

* TS chat client test

* update test

* more api functions

* more api methods, refactor, readme

* squaring chat bot example, fixes

* update readme

* remove console.log

* npm version 0.1.0

tests/ChatClient.hs

@@ -50,7 +50,8 @@ opts =
       logConnections = False,
       logAgent = False,
       chatCmd = "",
-      chatCmdDelay = 3
+      chatCmdDelay = 3,
+      chatServerPort = Nothing
     }
 
 termSettings :: VirtualTerminalSettings