Update DOCtor-RST

Author: OskarStark

.doctor-rst.yaml

@@ -7,6 +7,7 @@ rules:
     composer_dev_option_not_at_the_end: ~
     correct_code_block_directive_based_on_the_content: ~
     deprecated_directive_should_have_version: ~
+    ensure_attribute_between_backticks_in_content: ~
     ensure_bash_prompt_before_composer_command: ~
     ensure_class_constant: ~
     ensure_correct_format_for_phpfunction: ~