Rename variables of Postmoogle to handle it as a bridge (#3698)

* Rename variables matrix_bot_postmoogle_* with matrix_postmoogle_*

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

* Rename file names and references to those files

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

* Move variables block for /matrix-bridge-postmoogle

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

* Rename matrix_playbook_bot_postmoogle_ to matrix_playbook_bridge_postmoogle_

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

* Add matrix_playbook_migration_matrix_postmoogle_migration_validation_enabled

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

* Replace an install tag example with "-bot" prefix

The previous example seems to have been selected to show how components whose name contains "-bot-" needed to be specified.

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

---------

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

roles/custom/matrix-bridge-postmoogle/tasks/main.yml

@@ -0,0 +1,20 @@
+---
+
+- tags:
+    - setup-all
+    - setup-postmoogle
+    - install-all
+    - install-postmoogle
+  block:
+    - when: matrix_postmoogle_enabled | bool
+      ansible.builtin.include_tasks: "{{ role_path }}/tasks/validate_config.yml"
+
+    - when: matrix_postmoogle_enabled | bool
+      ansible.builtin.include_tasks: "{{ role_path }}/tasks/setup_install.yml"
+
+- tags:
+    - setup-all
+    - setup-postmoogle
+  block:
+    - when: not matrix_postmoogle_enabled | bool
+      ansible.builtin.include_tasks: "{{ role_path }}/tasks/setup_uninstall.yml"