add more to readme and examples for verify_upstream_tls

README.md

@@ -185,7 +185,7 @@ As of version `0.7.0` there is backend TLS connection support, validated by a fi
 await ngrok.forward({ addr: "https://127.0.0.1:3000", authtoken_from_env: true });
 ```
 
-If the service is using certs not trusted by the OS, such as self-signed certificates, add an environment variable like this before running: `SSL_CERT_FILE=/path/to/ca.crt`.
+If the service is using certs not trusted by the OS, such as self-signed certificates, add an environment variable like this before running: `SSL_CERT_FILE=/path/to/ca.crt`. There is also a `verify_upstream_tls: false` option to disable certification verification.
 
 ### Async Programming
 
@@ -259,6 +259,7 @@ const listener = await ngrok.forward({
   response_header_remove: ["X-Res-Nope"],
   request_header_add: ["X-Req-Yup:true"],
   response_header_add: ["X-Res-Yup:true"],
+  verify_upstream_tls: false,
   verify_webhook_provider: "twilio",
   verify_webhook_secret: "asdf",
   websocket_tcp_converter: true,

examples/ngrok-forward-full.js

@@ -60,6 +60,7 @@ ngrok.consoleLog("INFO"); // turn on info logging
     request_header_add: ["X-Req-Yup:true"],
     response_header_add: ["X-Res-Yup:true"],
     schemes: ["HTTPS"],
+    // verify_upstream_tls: false,
     // verify_webhook_provider: "twilio",
     // verify_webhook_secret: "asdf",
     // websocket_tcp_converter: true,

examples/ngrok-http-full.js

@@ -70,6 +70,7 @@ builder.connect().then((session) => {
     // .requestHeader("X-Req-Yup", "true")
     // .responseHeader("X-Res-Yup", "true")
     // .scheme("HTTPS")
+    // .verifyUpstreamTls(false)
     // .websocketTcpConversion()
     // .webhookVerification("twilio", "asdf")
     .metadata("example listener metadata from nodejs")