hhctl CLI and Terraform provider for Hammerhead

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

examples/bootstrap.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+# Stand up an edge, a site, a domain and a web port with hhctl.
+# Needs HAMMERHEAD_URL and HAMMERHEAD_TOKEN (a server key) in the environment.
+set -eu
+
+hhctl edges create --name fra --tunnel 203.0.113.5:51820
+hhctl sites create --name home --tag lab
+hhctl domains add --name example.com --edge fra
+hhctl ports create --name web --proto https --edge fra --port 443 \
+  --hostname app.example.com --target home:192.168.1.30:8080
+hhctl ports list