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>

setup.yml

@@ -82,6 +82,7 @@
     - custom/matrix-bridge-mx-puppet-slack
     - custom/matrix-bridge-mx-puppet-twitter
     - custom/matrix-bridge-mx-puppet-instagram
+    - custom/matrix-bridge-postmoogle
     - custom/matrix-bridge-sms
     - custom/matrix-bridge-heisenbridge
     - custom/matrix-bridge-hookshot
@@ -91,7 +92,6 @@
     - custom/matrix-bot-buscarron
     - custom/matrix-bot-baibot
     - custom/matrix-bot-honoroit
-    - custom/matrix-bot-postmoogle
     - custom/matrix-bot-go-neb
     - custom/matrix-bot-mjolnir
     - custom/matrix-bot-draupnir