* master: (103 commits)
  Include missing project attributes to Import/Export
  Create the rest of the wiki docs
  Fill in information about creating the wiki Home page
  Move wiki doc to its own index page
  Create initial file for Wiki documentation
  Default to null user when asignee is unselected
  Re-enable ref operations with gitaly after not-found fix
  #31560 Add repo parameter to gitaly:install and workhorse:install
  Remove N+1 queries when checking nodes visible to user
  Don't validate reserved words if the format doesn't match
  Revert "Shorten and improve some job names"
  Remove unused initializer
  DRY the `<<: *except-docs` a bit in `.gitlab-ci.yml`
  Make the static-analysis job be run for docs branches too
  Add download_snippet_path helper
  Refresh the markdown cache if it was `nil`
  Add some documentation for the new migration helpers
  Update comments
  Display comments for personal snippets
  Update docs on creating a project
  ...

Include missing project attributes to Import/Export

Closes gitlab-ee#2251 and #26333

See merge request !10880

Remove N+1 queries when checking nodes visible to user

See merge request !11040

Wait for AJAX requests at the JS level in addition to wait for requests at the middleware level

Closes #29836

See merge request !10688

Document pipeline grouping

Closes #28317 and #29176

See merge request !10969

Document wikis

Closes #7028

See merge request !11041

Resolve "Unnecessary padding along left side of assignees dropdown"

Closes #31057

See merge request !10767

Re-enable ref operations with gitaly after not-found fix

See merge request !10773

Enable `RSpec/DescribedClass` cop and correct violations

See merge request !10930

Also implemented same behavior on the Issue Boards assignee block.
Fixed the default state for search/filter dropdown for issuables.

Remove unused initializer

See merge request !11036

Reject more reserved paths

Closes #30272

See merge request !10413

#31560 Add repo parameter to gitaly:install and workhorse:install

Closes #31560

See merge request !10979

Metrics deployment history

Closes #26914

See merge request !10649

Docs branches should run static analysis

See merge request !11035

N in this case is low, as it's the number of distinct projects referenced from
MRs, rather than the number of MRs referenced (issues use their own
optimization). Still, on issues or MRs which are often referenced from MRs, it
will save a few queries.

Revert "Shorten and improve some job names"

See merge request !11037

Because it also won't match the sophisticated format we have for
detecting reserved names. We don't want to confuse the user with 2
error messages

Add download button to project snippets

See merge request !11004

This reverts commit f2fc716c

Display comments for personal snippets

See merge request !10974

We don't appear to have an `active_record_query_trace` dependency any more.

Signed-off-by: Rémy Coutable <remy@rymai.me>

Signed-off-by: Rémy Coutable <remy@rymai.me>

use TCP or HTTPS protocol for port 443 on load balancer

See merge request !10953

Remove notify slack job

Closes #29036

See merge request !9709

If the cached html_field for a markdown_field is `nil` while the
mfarkdown_field is not, it needs to be refreshed.

Use Gitaly for getting Branch/Tag counts

Closes gitaly#157

See merge request !10780

[#31254] Change Git commit command in "Existing folder" to git commit -m "First commit"

Closes #31254

See merge request !10900