Add client setup

Author: noahsbwilliams

example/reverse-tunneling-authenticated.md

@@ -24,3 +24,24 @@ The corresponding `authfile` might look like this:
 }
 ```
 
+## Client
+
+Setup a chisel client to receive bounced-down traffic and forward it to the webserver running on `localhost:80`
+
+```bash
+#!/bin/bash
+
+chisel client \
+
+# ⬇️ Authenticates user "foo" with password "bar"
+--auth="foo:bar" \
+
+# ⬇️ Connects to chisel relay server example.com
+# listening on the default ("fallback") port, 8080
+example.com \
+
+# ⬇️ Reverse tunnels port 80 on the relay server to
+# port 80 on your localhost. So you can expose
+# that web server running locally to the internet.
+R:80:localhost:80
+```