Docs: Plugins doc reorganization, part 1 (#69864)

* Initial commit

* Prettier fixes

* Doc-validator fixes part 1

* Doc-validator fixes part 2

* More doc-validator fixes

* More doc-validator fixes

* Test

* link test

* Linnk test

* Link test

* More fixes

* More fixes

* Doc-validator fixes

* Doc-validator fixes

* fix broken link

* Fix

* Testing

* Doc fixes

* Link fixes

* Fix links

* Update docs/sources/developers/plugins/create-a-grafana-plugin/_index.md

Co-authored-by: David Harris <david.harris@grafana.com>

* Testing

* Testing

* Testing

* Testing

* Doc-validator fixes

* Doc-validator fixes

* Doc-validator fixes

* Fix broken links for plugins reorganization project

* Prettier fixes

* Prettier fixes

* Incorporate reviewer feedback

* Link fixes

* Link fixes

* Link fixes

* Link fix

* Deleted space

* Codeowners fix

* Change grafana.com links to absolute URLs for Hugo

---------

Co-authored-by: David Harris <david.harris@grafana.com>

docs/sources/developers/plugins/publish-a-plugin/_index.md

@@ -1,11 +1,21 @@
 ---
-description: Topics related to plugin publishing
-title: Publish a plugin
+title: Publish or sign a plugin
+menuTitle: Publish a plugin
+keywords:
+  - grafana
+  - plugins
+  - plugin
+  - publish
+  - publishing
+description: An index to documentation related to plugin publishing and signing.
+weight: 400
 ---
 
-# Publish a plugin
+# Publish or sign a plugin
 
-This section contains topics related to publishing Grafana plugins.
+This section contains topics related to publishing and signing Grafana plugins.
 
-- [Publishing and signing criteria]({{< relref "../publishing-and-signing-criteria.md">}})
-- [Publish or update a plugin]({{< relref "../publish-or-update-a-plugin.md">}})
+- [Package a plugin]({{< relref "./package-a-plugin.md" >}})
+- [Publishing and signing criteria]({{< relref "./publishing-and-signing-criteria.md" >}})
+- [Publish or update a plugin]({{< relref "./publish-or-update-a-plugin.md" >}})
+- [Sign a plugin]({{< relref "./sign-a-plugin.md" >}})