docs: Prepare for new sub tree

See #11925

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

@@ -1,35 +0,0 @@
----
-title: Kind
-description: Returns the kind of the given page.
-categories: []
-keywords: []
-action:
-  related:
-    - methods/page/Type
-  returnType: string
-  signatures: [PAGE.Kind]
----
-
-The [page kind] is one of `home`, `page`, `section`, `taxonomy`, or `term`.
-
-```text
-content/
-├── books/
-│   ├── book-1/
-│   │   └── index.md    <-- kind = page
-│   ├── book-2.md       <-- kind = page
-│   └── _index.md       <-- kind = section
-├── tags/
-│   ├── fiction/
-│   │   └── _index.md   <-- kind = term
-│   └── _index.md       <-- kind = taxonomy
-└── _index.md           <-- kind = home
-```
-
-To get the value within a template:
-
-```go-html-template
-{{ .Kind }}
-```
-
-[page kind]: /getting-started/glossary/#page-kind