add ldap article and changes from !10299

doc/articles/index.md

@@ -7,6 +7,11 @@ to provide the community with guidance on specific processes to achieve certain
 They are written by members of the GitLab Team and by
 [Community Writers](https://about.gitlab.com/handbook/product/technical-writing/community-writers/).
 
+## Authentication
+
+- **LDAP**
+  - [How to configure LDAP with GitLab CE](how_to_configure_ldap_gitlab_ce/index.md)
+
 ## GitLab Pages
 
 - **GitLab Pages from A to Z**

doc/topics/authentication/index.md

@@ -18,6 +18,7 @@ This page gathers all the resources for the topic **Authentication** within GitL
 - [LDAP (Enterprise Edition)](https://docs.gitlab.com/ee/administration/auth/ldap-ee.html)
 - [Enforce Two-factor Authentication (2FA)](../../security/two_factor_authentication.md#enforce-two-factor-authentication-2fa)
 - **Articles:**
+  - [How to Configure LDAP with GitLab CE](../../articles/how_to_configure_ldap_gitlab_ce/index.md)
   - [Feature Highlight: LDAP Integration](https://about.gitlab.com/2014/07/10/feature-highlight-ldap-sync/)
   - [Debugging LDAP](https://about.gitlab.com/handbook/support/workflows/ldap/debugging_ldap.html)
 - **Integrations:**