add mastodon role

roles/mastodon/tasks/main.yml

@@ -0,0 +1,22 @@
+- name: Create Mastodon app directory
+  file:
+    path: /apps/mastodon
+    state: directory
+- name: Copy .env.production
+  copy:
+    src: "{{ role_path }}/files/.env.production"
+    dest: /apps/mastodon/.env.production
+- name: Copy Docker Compose script
+  template:
+    src: "{{ role_path }}/templates/docker-compose.yml.j2"
+    dest: /apps/mastodon/docker-compose.yml
+- name: Create Mastodon data directory
+  file:
+    path: /data/mastodon
+    state: directory
+    mode: 0777
+- name: Start Docker Compose
+  docker_compose:
+    project_src: /apps/mastodon
+    pull: true
+    remove_orphans: true