Merge branch 'docs-enablement-metadata' into 'master'

Docs: Add Enablement metadata to development docs

See merge request gitlab-org/gitlab!44231

doc/development/adding_database_indexes.md

+---
+stage: Enablement
+group: Database
+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
+---
+
 # Adding Database Indexes
 
 Indexes can be used to speed up database queries, but when should you add a new

doc/development/database/add_foreign_key_to_existing_column.md

+---
+stage: Enablement
+group: Database
+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
+---
+
 # Adding foreign key constraint to an existing column
 
 Foreign keys help ensure consistency between related database tables. The current database review process **always** encourages you to add [foreign keys](../foreign_keys.md) when creating tables that reference records from other tables.

doc/development/database/database_reviewer_guidelines.md

+---
+stage: Enablement
+group: Database
+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
+---
+
 # Database Reviewer Guidelines
 
 This page includes introductory material for new database reviewers.

doc/development/database/index.md

+---
+stage: Enablement
+group: Database
+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
+---
+
 # Database guides
 
 ## Database Reviews

doc/development/database/not_null_constraints.md

+---
+stage: Enablement
+group: Database
+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
+---
+
 # `NOT NULL` constraints
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/38358) in GitLab 13.0.

doc/development/database/strings_and_the_text_data_type.md

+---
+stage: Enablement
+group: Database
+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
+---
+
 # Strings and the Text data type
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/30453) in GitLab 13.0.

doc/development/database/table_partitioning.md

+---
+stage: Enablement
+group: Database
+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
+---
+
 # Database table partitioning
 
 Table partitioning is a powerful database feature that allows a table's

doc/development/database_debugging.md

+---
+stage: Enablement
+group: Database
+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
+---
+
 # Troubleshooting and Debugging Database
 
 This section is to help give some copy-pasta you can use as a reference when you

doc/development/database_query_comments.md

+---
+stage: Enablement
+group: Database
+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
+---
+
 # Database query comments with Marginalia
 
 The [Marginalia gem](https://github.com/basecamp/marginalia) is used to add

doc/development/database_review.md

+---
+stage: Enablement
+group: Database
+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
+---
+
 # Database Review Guidelines
 
 This page is specific to database reviews. Please refer to our

doc/development/db_dump.md

+---
+stage: Enablement
+group: Database
+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
+---
+
 # Importing a database dump into a staging environment
 
 Sometimes it is useful to import the database from a production environment

doc/development/geo.md

+---
+stage: Enablement
+group: Geo
+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 (development) **(PREMIUM ONLY)**
 
 Geo connects GitLab instances together. One GitLab instance is

doc/development/geo/framework.md

+---
+stage: Enablement
+group: Geo
+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 self-service framework (alpha)
 
 NOTE: **Note:**

doc/development/swapping_tables.md

+---
+stage: Enablement
+group: Database
+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
+---
+
 # Swapping Tables
 
 Sometimes you need to replace one table with another. For example, when