Add delivery_receipts option for matrix-bridge-mautrix-facebook

roles/matrix-bridge-mautrix-facebook/defaults/main.yml

@@ -153,6 +153,10 @@ matrix_mautrix_facebook_configuration_yaml: |
           # This will cause the bridge bot to be in private chats for the encryption to work properly.
           default: false
 
+      # Whether or not the bridge should send a read receipt from the bridge bot when a message has
+      # been sent to Facebook.
+      delivery_receipts: false
+
       # Permissions for using the bridge.
       # Permitted values:
       #       user - Use the bridge with puppeting.