docs: preserve Chinese navigation line endings

Author: messere1

CN/modules/ROOT/nav.adoc

@@ -75,8 +75,8 @@
 *** xref:master/ecosystem_components/pg_readonly.adoc[pg_readonly]
 *** xref:master/ecosystem_components/zhparser.adoc[zhparser]
 *** xref:master/ecosystem_components/pgbackrest.adoc[pgBackRest]
-*** xref:master/ecosystem_components/set_user.adoc[set_user]
-*** xref:master/ecosystem_components/dblink.adoc[dblink]
+*** xref:master/ecosystem_components/set_user.adoc[set_user]
+*** xref:master/ecosystem_components/dblink.adoc[dblink]
 * 监控运维
 ** xref:master/getting-started/daily_monitoring.adoc[日常监控]
 ** xref:master/getting-started/daily_maintenance.adoc[日常维护]