Update the markdown

Author: Yurii Kysil

website/docs/r/organization_ruleset.html.markdown

@@ -155,6 +155,8 @@ The `rules` block supports the following:
 
 * `strict_required_status_checks_policy` - (Optional) (Boolean) Whether pull requests targeting a matching branch must be tested with the latest code. This setting will not take effect unless at least one status check is enabled. Defaults to `false`.
 
+* `do_not_enforce_on_create` - (Optional) (Boolean) Allow repositories and branches to be created if a check would otherwise prohibit it. Defaults to `false`.
+
 #### required_status_checks.required_check ####
 
 * `context` - (Required) (String) The status check context name that must be present on the commit.