There may be more tables but these were the tables that were problematic
for GitLab.com due to foreign key constraints (without cascading
deletes).

Add Approve and Remove approval to UX Guide terminology table

Updating UX Guide page on terminology to include guidance on 'Approve' and 'Remove approval'.

See merge request !7632

fixed manage_large_binaries_with_git_lfs.md typo

See merge request !7612

add missing sudo skip-auto-migration

## What does this MR do?

Fixes minor documentation issue where adding `skip-auto-migration` file does not work because `sudo` is not used.

See merge request !7435

Change docker backup command in readme

See the general Documentation guidelines http://docs.gitlab.com/ce/development/doc_styleguide.html

## What does this MR do?

MR fixes wrong order of parameters in the command given for backing up gitlab in a docker container

## Moving docs to a new location?

No

See merge request !7468

Add example image to pipelines docs

See merge request !7652

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/24767

[ci skip]

Object state models docs

Object state models docs for issues and merge requests.

This is to start documenting object models, focused more on users and how they experience the product.

See merge request !7544

Docs on Mattermost commands

Still needs some screenshots, depends on: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/7558

/cc @ayufan @SeanPackham

See merge request !7567

[ci skip]