feat: add basic httpbin services

Used to test connectivity of proxies

roles/httpbin/tasks/main.yml

@@ -0,0 +1,20 @@
+#SPDX-License-Identifier: MIT-0
+---
+# tasks file for httpbin
+
+- name: Create docker compose directory
+  file:
+    path: "{{ httpbin_docker_compose_dir }}"
+    state: directory
+    mode: '0755'
+
+- name: Create docker-compose file for httpbin
+  template:
+    src: docker-compose.yml.j2
+    dest: "{{ httpbin_docker_compose_dir }}/docker-compose.yml"
+    mode: '0644'
+
+- name: Start httpbin container
+  community.docker.docker_compose_v2:
+    project_src: "{{ httpbin_docker_compose_dir }}"
+    state: present