Add metadata to files

Add additional none/unassigned metadata to docs

doc/administration/raketasks/check.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Integrity check Rake task **(CORE ONLY)**
 GitLab provides Rake tasks to check the integrity of various components.

doc/administration/timezone.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Changing your time zone
 The global time zone configuration parameter can be changed in `config/gitlab.yml`:

doc/administration/uploads.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Uploads administration **(CORE ONLY)**
 Uploads represent all user data that may be sent to GitLab as a single file. As an example, avatars and notes' attachments are uploads. Uploads are integral to GitLab functionality, and therefore cannot be disabled.

doc/administration/user_settings.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Modifying global user settings
 GitLab administrators can modify user settings for the entire GitLab instance.

doc/api/admin_sidekiq_queues.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Sidekiq queues administration API **(CORE ONLY)**
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/25998) in GitLab 12.9

doc/api/api_resources.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # API resources
 Available resources for the [GitLab API](README.md) can be grouped in the following contexts:

doc/api/appearance.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Appearance API **(CORE ONLY)**
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/16647) in GitLab 12.7.

doc/api/applications.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Applications API
 > [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/8160) in GitLab 10.5.

doc/api/audit_events.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Audit Events API
 ## Instance Audit Events **(PREMIUM ONLY)**

doc/api/avatar.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Avatar API
 > [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/19121) in GitLab 11.0.

doc/api/broadcast_messages.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Broadcast Messages API
 > Introduced in GitLab 8.12.

doc/api/custom_attributes.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Custom Attributes API
 Every API call to custom attributes must be authenticated as administrator.

doc/api/dependencies.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Dependencies API **(ULTIMATE)**
 CAUTION: **Caution:**

doc/api/dependency_proxy.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Dependency Proxy API **(PREMIUM)**
 ## Purge the dependency proxy for a group

doc/api/epic_links.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Epic Links API **(ULTIMATE)**
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/9188) in GitLab 11.8.

doc/api/events.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Events
 ## Filter parameters

doc/api/geo_nodes.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Geo Nodes API **(PREMIUM ONLY)**
 To interact with Geo node endpoints, you need to authenticate yourself as an

doc/api/graphql/audit_report.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Set up an Audit Report with GraphQL
 This page describes how you can use the GraphiQL explorer to set up an audit report

doc/api/graphql/getting_started.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # Getting started with GitLab GraphQL API
 This guide demonstrates basic usage of GitLab's GraphQL API.

doc/api/graphql/index.md

+---
+stage: none
+group: unassigned
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#designated-technical-writers
+---
+
 # GraphQL API
 > - [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/-/merge_requests/19008) in GitLab 11.0 (enabled by feature flag `graphql`).