Add client reverse example with authentication

Author: noahsbwilliams

example/client-authenticated-reverse.sh

@@ -0,0 +1,16 @@
+#!/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 on your laptop to the
+# internet with a VPS.
+R:80:localhost:80