Huge role refactoring/cleanup. Other commits will propably follow. Because some bugs will exist. Still important for longrun and also for auto docs/help/slideshow generation

roles/web-app-mailu/tasks/create-mailu-user.yml

@@ -0,0 +1,27 @@
+- name: "Ensure Mailu user '{{ mailu_user_key }};{{ mailu_user_name }}@{{ mailu_domain }}'' exists"
+  command: >
+    docker compose exec admin flask mailu {{ mailu_action }}
+      {{ mailu_user_name }} {{ mailu_domain }} '{{ mailu_password }}'
+  args:
+    chdir: "{{ mailu_compose_dir }}"
+  register: mailu_user_result
+  failed_when: >
+    mailu_user_result.rc != 0 and
+    (
+      "exists, not created" not in mailu_user_result.stderr and
+      "Duplicate entry"   not in mailu_user_result.stderr
+    )
+  changed_when: mailu_user_result.rc == 0
+  when: "'mail-bot' in item.value.roles or 'administrator' in item.value.roles"
+
+- name: "Change password for user '{{ mailu_user_key }};{{ mailu_user_name }}@{{ mailu_domain }}'"
+  command: >
+    docker compose exec admin flask mailu password
+      {{ mailu_user_name }} {{ mailu_domain }} '{{ mailu_password }}'
+  args:
+    chdir: "{{ mailu_compose_dir }}"
+  when: "'mail-bot' in item.value.roles or 'administrator' in item.value.roles"
+
+- name: "Create Mailu API Token for {{ mailu_user_name }}"
+  include_tasks: create-mailu-token.yml
+  when: "{{ 'mail-bot' in item.value.roles }}"