Update validate_config.yml for migration: add blank lines between messages where expected

Signed-off-by: Suguru Hirahara <acioustick@noreply.codeberg.org>

roles/custom/matrix_playbook_migration/tasks/validate_config.yml

@@ -113,8 +113,11 @@
         msg: >-
           The matrix-prometheus-node-exporter role that used to be part of this playbook has been replaced by https://github.com/mother-of-all-self-hosting/ansible-role-prometheus-node-exporter.
           The new role is compatible with the old one, but uses different names for its variables.
+
           Please rename all variables (`matrix_prometheus_node_exporter_` -> `prometheus_node_exporter_`) on your configuration file (vars.yml).
+
           After renaming them, please do not forget to fetch the Ansible role. See docs/maintenance-upgrading-services.md for details about how to do so.
+
           The following variables in your configuration need to be renamed: {{ matrix_playbook_migration_matrix_prometheus_node_exporter_migration_vars.keys() | join(', ') }}
       when: "matrix_playbook_migration_matrix_prometheus_node_exporter_migration_vars | length > 0"
 
@@ -129,8 +132,11 @@
         msg: >-
           The matrix-prometheus-postgres-exporter role that used to be part of this playbook has been replaced by https://github.com/mother-of-all-self-hosting/ansible-role-prometheus-postgres-exporter.
           The new role is compatible with the old one, but uses different names for its variables.
+
           Please rename all variables (`matrix_prometheus_postgres_exporter_` -> `prometheus_postgres_exporter_`) on your configuration file (vars.yml).
+
           After renaming them, please do not forget to fetch the Ansible role. See docs/maintenance-upgrading-services.md for details about how to do so.
+
           The following variables in your configuration need to be renamed: {{ matrix_playbook_migration_matrix_prometheus_postgres_exporter_migration_vars.keys() | join(', ') }}
       when: "matrix_playbook_migration_matrix_prometheus_postgres_exporter_migration_vars | length > 0"
 
@@ -145,8 +151,11 @@
         msg: >-
           The matrix-backup-borg role that used to be part of this playbook has been replaced by https://github.com/mother-of-all-self-hosting/ansible-role-backup_borg.
           The new role is compatible with the old one, but uses different names for its variables.
+
           Please rename all variables (`matrix_backup_borg_` -> `backup_borg_`) on your configuration file (vars.yml).
+
           After renaming them, please do not forget to fetch the Ansible role. See docs/maintenance-upgrading-services.md for details about how to do so.
+
           The following variables in your configuration need to be renamed: {{ matrix_playbook_migration_backup_borg_migration_vars.keys() | join(', ') }}
       when: "matrix_playbook_migration_backup_borg_migration_vars | length > 0"
 
@@ -161,8 +170,11 @@
         msg: >-
           The matrix-grafana role that used to be part of this playbook has been replaced by https://github.com/mother-of-all-self-hosting/ansible-role-grafana.
           The new role is compatible with the old one, but uses different names for its variables.
+
           Please rename all variables (`matrix_grafana_` -> `grafana_`) on your configuration file (vars.yml).
+
           After renaming them, please do not forget to fetch the Ansible role. See docs/maintenance-upgrading-services.md for details about how to do so.
+
           The following variables in your configuration need to be renamed: {{ matrix_playbook_migration_grafana_migration_vars.keys() | join(', ') }}
       when: "matrix_playbook_migration_grafana_migration_vars | length > 0"
 
@@ -177,8 +189,11 @@
         msg: >-
           The matrix-ntfy role that used to be part of this playbook has been replaced by https://github.com/mother-of-all-self-hosting/ansible-role-ntfy.
           The new role is compatible with the old one, but uses different names for its variables.
+
           Please rename all variables (`matrix_ntfy_` -> `ntfy_`) on your configuration file (vars.yml).
+
           After renaming them, please do not forget to fetch the Ansible role. See docs/maintenance-upgrading-services.md for details about how to do so.
+
           The following variables in your configuration need to be renamed: {{ matrix_playbook_migration_ntfy_migration_vars.keys() | join(', ') }}
       when: "matrix_playbook_migration_ntfy_migration_vars | length > 0"
 
@@ -193,8 +208,11 @@
         msg: >-
           The matrix-redis role that used to be part of this playbook has been replaced by https://github.com/mother-of-all-self-hosting/ansible-role-redis.
           The new role is compatible with the old one, but uses different names for its variables.
+
           Please rename all variables (`matrix_redis_` -> `redis_`) on your configuration file (vars.yml).
+
           After renaming them, please do not forget to fetch the Ansible role. See docs/maintenance-upgrading-services.md for details about how to do so.
+
           The following variables in your configuration need to be renamed: {{ matrix_playbook_migration_redis_migration_vars.keys() | join(', ') }}
       when: "matrix_playbook_migration_redis_migration_vars | length > 0"
 
@@ -208,8 +226,11 @@
       ansible.builtin.fail:
         msg: >-
           The Redis role that used to be part of this playbook has been superseded by https://github.com/mother-of-all-self-hosting/ansible-role-valkey.
+
           Please rename all variables (`redis_` -> `valkey_`) on your configuration file (vars.yml).
+
           After renaming them, please do not forget to fetch the Ansible role. See docs/maintenance-upgrading-services.md for details about how to do so.
+
           The following variables in your configuration need to be renamed: {{ matrix_playbook_migration_redis_migration_vars.keys() | join(', ') }}
       when: "matrix_playbook_migration_redis_migration_vars | length > 0"
 
@@ -223,8 +244,11 @@
       ansible.builtin.fail:
         msg: >-
           The KeyDB role that used to be part of this playbook has been superseded by https://github.com/mother-of-all-self-hosting/ansible-role-valkey.
+
           Please rename all variables (`keydb_` -> `valkey_`) on your configuration file (vars.yml).
+
           After renaming them, please do not forget to fetch the Ansible role. See docs/maintenance-upgrading-services.md for details about how to do so.
+
           The following variables in your configuration need to be renamed: {{ matrix_playbook_migration_keydb_migration_vars.keys() | join(', ') }}
       when: "matrix_playbook_migration_keydb_migration_vars | length > 0"
 
@@ -239,8 +263,11 @@
         msg: >-
           The matrix-etherpad role that used to be part of this playbook has been replaced by https://github.com/mother-of-all-self-hosting/ansible-role-etherpad.
           The new role is compatible with the old one, but uses different names for its variables.
+
           Please rename all variables (`matrix_etherpad_` -> `etherpad_`) on your configuration file (vars.yml).
+
           After renaming them, please do not forget to fetch the Ansible role. See docs/maintenance-upgrading-services.md for details about how to do so.
+
           The following variables in your configuration need to be renamed: {{ matrix_playbook_migration_etherpad_migration_vars.keys() | join(', ') }}
       when: "matrix_playbook_migration_etherpad_migration_vars | length > 0"
 
@@ -255,8 +282,11 @@
         msg: >-
           The matrix-aux role that used to be part of this playbook has been replaced by https://github.com/mother-of-all-self-hosting/ansible-role-aux.
           The new role is compatible with the old one, but uses different names for its variables.
+
           Please rename all variables (`matrix_aux_` -> `aux_`) on your configuration file (vars.yml).
+
           After renaming them, please do not forget to fetch the Ansible role. See docs/maintenance-upgrading-services.md for details about how to do so.
+
           The following variables in your configuration need to be renamed: {{ matrix_playbook_migration_aux_migration_vars.keys() | join(', ') }}
       when: "matrix_playbook_migration_aux_migration_vars | length > 0"
 
@@ -271,8 +301,11 @@
         msg: >-
           The matrix-jitsi role that used to be part of this playbook has been replaced by https://github.com/mother-of-all-self-hosting/ansible-role-jitsi.
           The new role is compatible with the old one, but uses different names for its variables.
+
           Please rename all variables (`matrix_jitsi_` -> `jitsi_`) on your configuration file (vars.yml).
+
           After renaming them, please do not forget to fetch the Ansible role. See docs/maintenance-upgrading-services.md for details about how to do so.
+
           The following variables in your configuration need to be renamed: {{ matrix_playbook_migration_jitsi_migration_vars.keys() | join(', ') }}
       when: "matrix_playbook_migration_jitsi_migration_vars | length > 0"
 
@@ -286,7 +319,9 @@
       ansible.builtin.fail:
         msg: >-
           Your configuration contains a variable, which now has a different name.
+
           Please rename all variables (`matrix_bot_postmoogle_` -> `matrix_postmoogle_`) on your vars.yml.
+
           The following variables in your configuration need to be renamed: {{ matrix_playbook_migration_postmoogle_migration_vars.keys() | join(', ') }}
       when: "matrix_playbook_migration_postmoogle_migration_vars | length > 0"