feat: add koreader sync server + fix apt cache in caddy task

roles/docker/tasks/media/kosync.yml

@@ -0,0 +1,22 @@
+- name: make kosync directories
+  ansible.builtin.file:
+    path: "{{ item }}"
+    state: directory
+  loop:
+    - /opt/stacks/kosync
+    - /opt/stacks/kosync/logs/app
+    - /opt/stacks/kosync/logs/redis
+    - /opt/stacks/kosync/data/redis
+
+- name: Template out the compose file
+  ansible.builtin.template:
+    src: kosync-compose.yml.j2
+    dest: /opt/stacks/kosync/compose.yml
+    owner: root
+    mode: 644
+
+- name: deploy kosync stack
+  community.docker.docker_compose_v2:
+    project_src: /opt/stacks/kosync
+    files:
+    - compose.yml

roles/docker/tasks/media/main.yml

@@ -33,4 +33,8 @@
 
 - name: Install dir2opds
   import_tasks: dir2opds.yml
-  tags: dir2opds
+  tags: dir2opds
+
+- name: Install koreader sync server
+  import_tasks: kosync.yml
+  tags: kosync