doc: add entry to the bc for db columns (#2221)

Author: alexandrebodin

docusaurus/docs/dev-docs/migration/v4-to-v5/breaking-changes.md

@@ -28,6 +28,7 @@ You can click on the description of any breaking change in the following tables
 
 | Description | Affects plugins | Handled by codemods |
 |-------------|-----------------|---------------------|
+| [Content types always have feature columns](/dev-docs/migration/v4-to-v5/breaking-changes/database-columns) | Yes | No|
 | [MySQL v5 is not supported anymore](/dev-docs/migration/v4-to-v5/breaking-changes/mysql5-unsupported) | No | No |
 | [Database identifiers longer than 55 characters will be automatically shortened](/dev-docs/migration/v4-to-v5/breaking-changes/database-identifiers-shortened) | Yes | ✅ Yes |
 | [Only the `better-sqlite3` package is supported for the SQLite client](/dev-docs/migration/v4-to-v5/breaking-changes/only-better-sqlite3-for-sqlite) | No | ✅ Yes |

docusaurus/docs/dev-docs/migration/v4-to-v5/breaking-changes/database-columns.md

@@ -0,0 +1,33 @@
+---
+title: Database columns
+description: Content types always have feature columns
+displayed_sidebar: devDocsMigrationV5Sidebar
+tags:
+ - breaking changes
+ - database
+ - upgrade to Strapi 5
+---
+
+import Intro from '/docs/snippets/breaking-change-page-intro.md'
+import MigrationIntro from '/docs/snippets/breaking-change-page-migration-intro.md'
+import YesPlugins from '/docs/snippets/breaking-change-affecting-plugins.md'
+import NoCodemods from '/docs/snippets/breaking-change-not-handled-by-codemod.md'
+
+# Content types always have feature columns
+
+In Strapi 5, Content types always have document, publication and internationalization columns created in database.
+
+<Intro />
+<YesPlugins />
+<NoCodemods />
+
+## Breaking change description
+
+**In Strapi 5**
+
+All the Content Types have a new `document_id` column.
+
+The `published_at` column is now always added.
+The `locale` column is now always added.
+
+<br />