Fix jinja config for indented code blocks

roles/matrix-mxisd/defaults/main.yml

@@ -64,6 +64,7 @@ matrix_mxisd_self_check_validate_certificates: true
 # For a more advanced customization, you can extend the default (see `matrix_mxisd_configuration_extension_yaml`)
 # or completely replace this variable with your own template.
 matrix_mxisd_configuration_yaml: |
+  #jinja2: lstrip_blocks: True
   matrix:
     domain: {{ matrix_domain }}