Made code more modular and refactored to cmp roles

roles/web-app-pixelfed/tasks/main.yml

@@ -1,11 +1,4 @@
 ---
-- name: "load docker and db for {{application_id}}"
+- name: "load docker, db and proxy for {{application_id}}"
   include_role: 
-    name: cmp-db-docker
-
-- name: "include role srv-web-proxy-domain for {{application_id}}"
-  include_role:
-    name: srv-web-proxy-domain
-  vars:
-    domain:   "{{ domains | get_domain(application_id) }}"
-    http_port:   "{{ ports.localhost.http[application_id] }}"
+    name: cmp-db-docker-proxy

roles/web-app-pixelfed/vars/main.yml

@@ -1,3 +1,3 @@
 application_id:                                 "pixelfed"
-nginx_docker_reverse_proxy_extra_configuration: "client_max_body_size 512M;"
+proxy_extra_configuration: "client_max_body_size 512M;"
 database_type:                                  "mariadb"