Codegen: Generate per-kind reference docs (#60416)

* Add docs generator

* Add json-to-md conversion

* Fix lint issues

* Remove check for kind type

* Disable prettier for generated docs

* Use schema ref names as identifiers for links & headers

* Display the default value (if so) in the description

* Undo 'draft:false' introduced by mistake

* Update pkg/codegen/jenny_docs.go

Co-authored-by: Jack Baldry <jack.baldry@grafana.com>

* Undraft and unlist kinds documentation  (#61476)

* Support running containers without root daemon

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

* Use section shortcode to automatically list child pages

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

* Undraft and unlist kinds documentation

This page and child pages are directly accessible but are not listed
in the table of contents.

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

* Add docs-preview to browse drafted pages

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

* Replace end of line and pipe characters in table codegen

* Remove draft status from generated docs

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>
Co-authored-by: Joan López de la Franca Beltran <joanjan14@gmail.com>
Co-authored-by: Jack Baldry <jack.baldry@grafana.com>
Co-authored-by: Robert Horvath <robert.horvath@grafana.com>

pkg/codegen/tmpl/docs.tmpl

@@ -0,0 +1,13 @@
+---
+keywords:
+  - grafana
+  - schema
+title: {{ .KindName }} kind
+---
+
+# {{ .KindName }} kind
+
+### Maturity: {{ .KindMaturity }}
+### Version: {{ .KindVersion }}
+
+{{ .Markdown }}