Added double newline after file upload markdown insert

Closes #28511

See merge request !9430

Remove Pages readme

See merge request !9454

To prevent a redirect loop in docs.gitlab.com/ce/pages/

[ci skip]

Change Pages redirect

See merge request !9452

[ci skip]

Merge branch 'gamesover/gitlab-ce-broken_iamge_when_doing_offline_update_check(help_page)' into 'master'

Gamesover/gitlab ce broken iamge when doing offline update check(help page)

See merge request !8539

Fix missing link from Pages guides

See merge request !9450

Remove require.context from boards_bundle

See merge request !9392

[ci skip]

Revert "Merge branch '27934-left-align-nav' into 'master'"

See merge request !9423

Remove require.context from diff_notes_bundle

See merge request !9394

GitLab Pages: new guides

Closes #28097, gitlab-ee#994, #28098, and #28190

See merge request !9395

[ci skip]

Remove require.context from cycle_analytics_bundle

See merge request !9393

Present GitLab version for each V3 to V4 API change on v3_to_v4.md

Closes #28458

See merge request !9425

Allow setting of a custom connection pool host

See merge request !9445

Custom brand header logo in emails

Closes #24969 and #25570

See merge request !9049

Add merge request count to each issue on issues list

Closes #19786 and #23208

See merge request !9252

Add housekeeping endpoint for Projects API

Closes #27032

See merge request !9421

Similar to changelog, mention the Merge Request id & link for each
change.

Chat slash commands show labels correctly

Closes #28358

See merge request !9408

Document when current coverage configuration option was introduced

Closes #28524

See merge request !9443

Improves the environments list action buttons

Closes #24651

See merge request !9424

Update two_factor_authentication.md by correcting FreeOTP link.

See merge request !9368

Grapify the CI::Runners API

See merge request !9440

This allows you to set a custom host when calling
Gitlab::Database.create_connection_pool. This is necessary for load
balancing as in this case we want to inherit all settings except for the
hostname.

[ci skip]