Merge pull request #683 from nats-io/update-readme

[DOC] added `handshakeFirst` tls option
[ci skip]

Author: aricart

README.md

@@ -810,14 +810,15 @@ The following is the list of connection options and default values.
 
 ### TlsOptions
 
-| Option     | Default | Description                  |
-| ---------- | ------- | ---------------------------- |
-| `ca`       | N/A     | CA certificate               |
-| `caFile`   |         | CA certificate filepath      |
-| `cert`     | N/A     | Client certificate           |
-| `certFile` | N/A     | Client certificate file path |
-| `key`      | N/A     | Client key                   |
-| `keyFile`  | N/A     | Client key file path         |
+| Option           | Default | Description                                                                                                                     |
+| ---------------- | ------- |---------------------------------------------------------------------------------------------------------------------------------|
+| `ca`             | N/A     | CA certificate                                                                                                                  |
+| `caFile`         |         | CA certificate filepath                                                                                                         |
+| `cert`           | N/A     | Client certificate                                                                                                              |
+| `certFile`       | N/A     | Client certificate file path                                                                                                    |
+| `key`            | N/A     | Client key                                                                                                                      |
+| `keyFile`        | N/A     | Client key file path                                                                                                            |
+| `handshakeFirst` | false   | Connects to the server directly as TLS rather than upgrade the connection. Note that the server must be configured accordingly. |
 
 In some Node and Deno clients, having the option set to an empty option,
 requires the client have a secured connection.