docs: Prepare for new sub tree

See #11925

docs/content/en/methods/page/RegularPagesRecursive.md

@@ -1,90 +0,0 @@
----
-title: RegularPagesRecursive
-description: Returns a collection of regular pages within the current section, and regular pages within all descendant sections.
-categories: []
-keywords: []
-action:
-  related:
-    - methods/page/Pages
-    - methods/page/RegularPages
-  returnType: page.Pages
-  signatures: [PAGE.RegularPagesRecursive]
----
-
-The `RegularPagesRecursive` method on a `Page` object is available to these [page kinds]: `home`, `section`, `taxonomy`, and `term`. The templates for these page kinds receive a page [collection] in [context].
-
-Range through the page collection in your template:
-
-```go-html-template
-{{ range .RegularPagesRecursive.ByTitle }}
-  <h2><a href="{{ .RelPermalink }}">{{ .Title }}</a></h2>
-{{ end }}
-```
-
-Consider this content structure:
-
-```text
-content/
-├── lessons/
-│   ├── lesson-1/
-│   │   ├── _index.md
-│   │   ├── part-1.md
-│   │   └── part-2.md
-│   ├── lesson-2/
-│   │   ├── resources/
-│   │   │   ├── task-list.md
-│   │   │   └── worksheet.md
-│   │   ├── _index.md
-│   │   ├── part-1.md
-│   │   └── part-2.md
-│   ├── _index.md
-│   ├── grading-policy.md
-│   └── lesson-plan.md
-├── _index.md
-├── contact.md
-└── legal.md
-```
-
-When rendering the home page, the `RegularPagesRecursive` method returns:
-
-    contact.md
-    lessons/grading-policy.md
-    legal.md
-    lessons/lesson-plan.md
-    lessons/lesson-2/part-1.md
-    lessons/lesson-1/part-1.md
-    lessons/lesson-2/part-2.md
-    lessons/lesson-1/part-2.md
-    lessons/lesson-2/resources/task-list.md
-    lessons/lesson-2/resources/worksheet.md
-
-When rendering the lessons page, the `RegularPagesRecursive` method returns:
-
-    lessons/grading-policy.md
-    lessons/lesson-plan.md
-    lessons/lesson-2/part-1.md
-    lessons/lesson-1/part-1.md
-    lessons/lesson-2/part-2.md
-    lessons/lesson-1/part-2.md
-    lessons/lesson-2/resources/task-list.md
-    lessons/lesson-2/resources/worksheet.md
-
-When rendering lesson-1, the `RegularPagesRecursive` method returns:
-
-    lessons/lesson-1/part-1.md
-    lessons/lesson-1/part-2.md
-
-When rendering lesson-2, the `RegularPagesRecursive` method returns:
-
-    lessons/lesson-2/part-1.md
-    lessons/lesson-2/part-2.md
-    lessons/lesson-2/resources/task-list.md
-    lessons/lesson-2/resources/worksheet.md
-
-{{% note %}}
-The `RegularPagesRecursive` method in not available on a `Site` object.
-{{% /note %}}
-
-[collection]: /getting-started/glossary/#collection
-[context]: /getting-started/glossary/#context
-[page kinds]: /getting-started/glossary/#page-kind