The documentation on doing source installations has quite a long section
on installing packages and dependencies for GitLab, which makes it easy
to loose track where one currently is.

Add some subsections to make it easier to read.

Docs: Removed conceptual info from CI yaml topic

See merge request gitlab-org/gitlab!46391

Related to: https://gitlab.com/gitlab-org/gitlab/-/issues/238379

Make frontend follow same storage feature flag logic as backend

See merge request gitlab-org/gitlab!45804

Change more Elasticsearch indexes to keyword type

See merge request gitlab-org/gitlab!46640

Bump Node.js version to 12.18.4 in .nvmrc

See merge request gitlab-org/gitlab!46811

Remove duplicated section

See merge request gitlab-org/gitlab!46842

Docs Fix two url typos and link a working example in generic packages

See merge request gitlab-org/gitlab!46554

Fix broken HTML tag

See merge request gitlab-org/gitlab!46832

This tag was causing a Kramdown error I saw go by. Fixing.

Re-flow notes back into body text

See merge request gitlab-org/gitlab!46841

Re-flow notes back into body text on pages that do not have clear
stage / group ownership.

Update screenshots to reflect the new group members view

See merge request gitlab-org/gitlab!46776

Group members view has been converted to a table to improve UX

Helper to safely add indexes to partitioned tables

See merge request gitlab-org/gitlab!45211

Re-flow notes back into body text

See merge request gitlab-org/gitlab!46838

Decrease the note usage on pages not owned by a stage.

Re-flow notes into body text

See merge request gitlab-org/gitlab!46835

Re-flow notes into body text, on pages not owned by a specific stage.

Edited self-managed subscriptions headings and text for improved clarity

See merge request gitlab-org/gitlab!46200

Re-flow note boxes back into body text

See merge request gitlab-org/gitlab!46834

Re-flow note boxes back into body text for pages that don't have
stage ownership. Also, small tone and style changes for things that
caught my eye while I was scrolling.

Update performance docs to reflect removal of `DOMContentLoaded` and usage of `waitForCSSLoaded`

See merge request gitlab-org/gitlab!46733

- `DOMContentLoaded` is no longer needed
- `waitForCSSLoaded()` can be used for JS that relies on CSS

Transfer existing job logs to new storage location

See merge request gitlab-org/gitlab!46524

Track usage for CI Secrets (Vault)

See merge request gitlab-org/gitlab!46515

Added deprecation warning to Opsgenie integration

See merge request gitlab-org/gitlab!46824

Adds docs about gitlab runner agent example

See merge request gitlab-org/gitlab!46144

Pass the HTTP host header to webpack-dev-server

See merge request gitlab-org/gitlab!46795

Add facet labels list back in

See merge request gitlab-org/gitlab!46574

Adds more context as to why refinements are needed
Uses an example list similar to features above

[GraphQL] Design Management: use Global-ID scalar

See merge request gitlab-org/gitlab!36115

Remove extra proposed package registry

See merge request gitlab-org/gitlab!46605

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