Add additional room config options:

- matrix_enable_room_list_search - Controls whether searching the public room list is enabled.
 - matrix_alias_creation_rules - Controls who's allowed to create aliases on this server.
 - matrix_room_list_publication_rules - Controls who can publish and which rooms can be published in the public room list.

roles/matrix-synapse/defaults/main.yml

@@ -797,3 +797,19 @@ matrix_appservice_discord_configuration_extension: "{{ matrix_appservice_irc_con
 matrix_appservice_discord_configuration: "{{ matrix_appservice_discord_configuration_yaml|from_yaml|combine(matrix_appservice_discord_configuration_extension, recursive=True) }}"
 
 
+# Controls whether searching the public room list is enabled.
+matrix_enable_room_list_search: true
+
+# Controls who's allowed to create aliases on this server.
+matrix_alias_creation_rules:
+  - user_id: "*"
+    alias: "*"
+    room_id: "*"
+    action: allow
+
+# Controls who can publish and which rooms can be published in the public room list.
+matrix_room_list_publication_rules:
+  - user_id: "*"
+    alias: "*"
+    room_id: "*"
+    action: allow