feat: add basic httpbin services

Used to test connectivity of proxies

roles/httpbin/defaults/main.yml

@@ -0,0 +1,19 @@
+#SPDX-License-Identifier: MIT-0
+---
+# defaults file for httpbin
+
+# Base directory configuration (inherited from base role or defined here)
+docker_compose_base_dir: /etc/docker/compose
+
+# Httpbin-specific configuration
+httpbin_service_name: httpbin
+httpbin_docker_compose_dir: "{{ docker_compose_base_dir }}/{{ httpbin_service_name }}"
+
+# Service configuration
+httpbin_domain: "httpbin.local.test"
+httpbin_image: "kennethreitz/httpbin"
+httpbin_port: 80
+
+# Traefik configuration
+httpbin_traefik_network: "proxy"
+httpbin_use_ssl: true