chore: rename reverseproxy role to traffic

in case we get a nginx role oa in the future

roles/traefik/handlers/main.yml

@@ -0,0 +1,8 @@
+#SPDX-License-Identifier: MIT-0
+---
+# handlers file for traefik
+
+- name: restart traefik
+  community.docker.docker_compose_v2:
+    project_src: "{{ docker_compose_dir }}"
+    state: restarted