Refactor Akaunting role and CSP handling

- Improved CSP filter to properly include web-svc-cdn and use protocol-aware domains
- Added Todo.md with redis and OIDC notes
- Enhanced Akaunting role config with CSP flags and redis option
- Updated schema to include app_key validation
- Reworked tasks to handle first-run marker logic cleanly
- Fixed docker-compose template (marker, healthcheck, setup flag)
- Expanded env.j2 with cache, email, proxy, and redis options
- Added javascript.js.j2 template for SSO warning
- Introduced structured vars for Akaunting role
- Removed deprecated update-repository-with-files.yml task

See conversation: https://chatgpt.com/share/68af00df-2c74-800f-90b6-6ac5b29acdcb

tasks/utils/update-repository-with-files.yml

@@ -1,38 +0,0 @@
-# It isn't best practice to use this task
-# Better load the repositories into /opt/docker/[servicename]/services, build them there and then use a docker-compose file for customizing
-# @todo Refactor\Remove 
-# @deprecated
-- name: "Merge detached_files with applications | get_app_conf('web-app-oauth2-proxy','configuration_file')"
-  set_fact:
-    merged_detached_files: "{{ detached_files + [applications | get_app_conf('web-app-oauth2-proxy','configuration_file')] }}"
-  when: "{{ applications | get_app_conf(application_id,'features.oauth2')"
-
-- name: "backup detached files"
-  command: >
-    mv "{{ docker_compose.directories.instance }}{{ item }}" "/tmp/{{ application_id }}-{{ item }}.backup"
-  args:
-    removes: "{{ docker_compose.directories.instance }}{{ item }}"
-  become: true
-  loop: "{{ merged_detached_files | default(detached_files) }}"
-
-- name: checkout repository 
-  ansible.builtin.shell: git checkout .
-  become: true
-  args:
-    chdir: "{{ docker_compose.directories.instance }}"
-  ignore_errors: true
-
-- name: "restore detached files"
-  command: >
-    mv "/tmp/{{ application_id }}-{{ item }}.backup" "{{ docker_compose.directories.instance }}{{ item }}"
-  args:
-    removes: "/tmp/{{ application_id }}-{{ item }}.backup"
-  become: true
-  loop: "{{ merged_detached_files | default(detached_files) }}"
-
-- name: "copy {{ detached_files }} templates to server"
-  template:
-    src: "{{ item }}.j2"
-    dest: "{{ docker_compose.directories.instance }}{{ item }}"
-  loop: "{{ detached_files }}"
-  notify: docker compose up