Geo: Docker Registry replication documentation (4/4)

Closes gitlab-ee#2870

See merge request gitlab-org/gitlab-ce!31196

Fix graphql-explorer CSP violation

See merge request gitlab-org/gitlab-ce!32882

Backporting https://github.com/rmosolgo/graphiql-rails/pull/71

Set max-age and secure flag for pages auth cookies

See merge request gitlab/gitlabhq!3378

Resolve "Forks count do not match after searching"

Closes #66023

See merge request gitlab-org/gitlab-ce!31930

Fix markdown to improve rendering of markdown doc

Closes #65090

See merge request gitlab-org/gitlab-ce!32744

Backport for EE 15582

See merge request gitlab-org/gitlab-ce!32814

This is a back-port for all CE related files.

Prevent archived projects from showing up in global search

See merge request gitlab-org/gitlab-ce!31498

Refine the review-app custom variables

See merge request gitlab-org/gitlab-ce!32783

Backport global toast notification changes

See merge request gitlab-org/gitlab-ce!32810

**Why?**
https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/15015#note_210891978

Merge remote-tracking branch 'origin/master' into camilstaps/gitlab-ce-new-66023-public-private-fork-counts

Remove vue resource from sidebar service

See merge request gitlab-org/gitlab-ce!32630

Fixes https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/32400

Add padding to details element in markdown

Closes #34338

See merge request gitlab-org/gitlab-ce!32716

Add base-config.yaml to define non-environment
variable config for review app deploy. Define
resource requests and limits for all used apps

Add local network requests information for example web hooks receiver

See merge request gitlab-org/gitlab-ce!32892

Remove some old `ignore_column` in AR models [CE]

See merge request gitlab-org/gitlab-ce!31001

Add review-cleanup-failed-deployment to prepare

See merge request gitlab-org/gitlab-ce!32839

Resolve "Documentation lacks how to enable Project snippets"

See merge request gitlab-org/gitlab-ce!32391

Re-introduce the Redis set cache for branch and tag names - but don't enable it yet

See merge request gitlab-org/gitlab-ce!32412

Add Scalability/FileUploads cop

Closes gitlab-ee#14925

See merge request gitlab-org/gitlab-ce!32864

This cop prevents you from using file in API, it points you to the
development documentation about workhorse file acceleration.

Sidekiq monitor namespace change

See merge request gitlab-org/gitlab-ce!32878

Add in a job to purge previous release in Review App

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

CE Backport: Customisable Cycle Analytics - Add stage button

See merge request gitlab-org/gitlab-ce!31791

Imports the files needed for the custom
stage form and adds the EE specific css.

Added stub addStageMixin

[ci skip]

Danger: Allow fixup commits if squash enabled or MR is WIP

See merge request gitlab-org/gitlab-ce!32210