Docs: add index for /customization/*

See merge request gitlab-org/gitlab-ce!25298

Same as `branded_login_page.md`

Make the file tree in merge requests resizable

Closes #51857

See merge request gitlab-org/gitlab-ce!25097

Fix typo in troubleshooting steps for "local issuer certificate" error

See merge request gitlab-org/gitlab-ce!25341

Update custom MR templates for gitlab-ce

See merge request gitlab-org/gitlab-ce!25227

Externalize strings from `/app/views/projects/commit`

See merge request gitlab-org/gitlab-ce!24668

Docs: article: End-to-end testing with WebdriverIO and GitLab CI/CD

Closes gitlab-com/community-writers#159

See merge request gitlab-org/gitlab-ce!19834

End-to-end testing example

See merge request gitlab-org/gitlab-ce!18959

Allow blank values to be stored in reactive cache

See merge request gitlab-org/gitlab-ce!25283

Reactive caching concern was using .present? to determine if it got
a valid value from the cache. This returns false for values such as
false, [], {}. Change this check to !.nil? instead.

Fix job name overflow in Firefox, Safari and IE

Closes #56426

See merge request gitlab-org/gitlab-ce!24707

Use export-import svg from gitlab-svgs

Closes #55312

See merge request gitlab-org/gitlab-ce!24954

Add a soft SLA for reviewers and maintainers

See merge request gitlab-org/gitlab-ce!25192

Remove duplicate field from MergeRequestType

See merge request gitlab-org/gitlab-ce!25330

Fix the documentation Dangerfile

See merge request gitlab-org/gitlab-ce!25345

Fix failing e2e test: qa/specs/features/browser_ui/3_create/merge_request/create_merge_request_spec.rb

Closes gitlab-org/quality/staging#38

See merge request gitlab-org/gitlab-ce!25304

Update proofreader.md

See merge request gitlab-org/gitlab-ce!24943

Refactor opening paragraph in admin docs

See merge request gitlab-org/gitlab-ce!25331

Include gl_project_path in API /internal/allowed response

See merge request gitlab-org/gitlab-ce!25314

Focus reply field when clicking "reply to comment" button

See merge request gitlab-org/gitlab-ce!24867

Move convertToDiscussion call from ReplyButton to NoteApp component

Remove consecutive blank lines from markdown files

See merge request gitlab-org/gitlab-ce!25280

For the sake of consistency, removes any extraneous
consecutive blank lines from the doc suite.

Reviewer roulette ignores changelogs

Closes #57680

See merge request gitlab-org/gitlab-ce!25264

clarify after_script cwd situation in README.md

See merge request gitlab-org/gitlab-ce!25315

Resolve "Revert single comments to initial state after cancelling reply"

Closes #57123

See merge request gitlab-org/gitlab-ce!25339

Un quarantine stable QA tests

Closes gitlab-org/quality/nightly#72

See merge request gitlab-org/gitlab-ce!25337

Feature/56787 realtime validation for user fullname and username

See merge request gitlab-org/gitlab-ce!25017

Merge branch 'master' of https://gitlab.com/gitlab-org/gitlab-ce into feature/56787-realtime-validation-for-user-fullname-and-username

Use SVG assets from @gitlab/svgs instead of using svg
illustrations from project folder

When converting a comment to a discussion
if the "Cancel" button is used to exit the new discussion note,
the comment would revert back to its initial state

Fix permissions in docs lock discussions

See merge request gitlab-org/gitlab-ce!25303

add changelogs/README.md

See merge request gitlab-org/gitlab-ce!25209