indexes article

doc/articles/index.md

@@ -44,6 +44,7 @@ Learn how to use [Git with GitLab](../topics/git/index.md):
 
 | Article title | Category | Publishing date |
 | :------------ | :------: | --------------: |
+| [Numerous _undo_ possibilities in Git](numerous_undo_possibilities_in_git/index.md) | Tutorial | 2017/08/17 |
 | [Why Git is Worth the Learning Curve](https://about.gitlab.com/2017/05/17/learning-curve-is-the-biggest-challenge-developers-face-with-git/) | Concepts | 2017/05/17 |
 | [How to install Git](how_to_install_git/index.md) | Tutorial | 2017/05/15 |
 | [Getting Started with Git LFS](https://about.gitlab.com/2017/01/30/getting-started-with-git-lfs-tutorial/) | Tutorial | 2017/01/30 |

doc/topics/git/index.md

@@ -22,6 +22,7 @@ We've gathered some resources to help you to get the best from Git with GitLab.
   - [Cherry-picking a commit](../../user/project/merge_requests/cherry_pick_changes.md#cherry-picking-a-commit)
   - [Squashing commits](../../workflow/gitlab_flow.md#squashing-commits-with-rebase)
 - **Articles:**
+  - [Numerous _undo_ possibilities in Git](numerous_undo_possibilities_in_git/index.md)
   - [How to install Git](../../articles/how_to_install_git/index.md)
   - [Git Tips & Tricks](https://about.gitlab.com/2016/12/08/git-tips-and-tricks/)
   - [Eight Tips to help you work better with Git](https://about.gitlab.com/2015/02/19/8-tips-to-help-you-work-better-with-git/)