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/create-a-grafana-plugin/_index.md

@@ -1,27 +1,18 @@
 ---
-description: How-to topics for plugin development
-title: Create a plugin
+title: Create a Grafana plugin
+menuTitle: Create a plugin
+keywords:
+  - grafana
+  - plugins
+  - plugin
+  - documentation
+description: An index of how-to topics for Grafana plugin development.
+weight: 300
 ---
 
 # Create a Grafana plugin
 
-This section contains how-to topics for developing Grafana plugins.
+This section contains how-to topics for developing and extending Grafana plugins with more advanced capabilities.
 
-- [Build a Grafana plugin](https://grafana.github.io/plugin-tools/docs/creating-a-plugin)
-  - [Build a panel plugin](https://grafana.com/tutorials/build-a-panel-plugin/)
-  - [Build a data source plugin](https://grafana.com/tutorials/build-a-data-source-plugin/)
-  - [Build a data source backend plugin](https://grafana.com/tutorials/build-a-data-source-backend-plugin/)
-  - [Build a logs data source plugin]({{< relref "../build-a-logs-data-source-plugin.md">}})
-  - [Build a streaming data source plugin]({{< relref "../build-a-streaming-data-source-plugin.md">}})
-- Extend a Grafana plugin
-  - [Add annotations]({{< relref "add-support-for-annotations.md">}})
-  - [Add anonymous usage reporting]({{< relref "add-anonymous-usage-reporting.md">}})
-  - [Add authentication for a data source plugin]({{< relref "add-authentication-for-data-source-plugins.md">}})
-  - [Add Explore queries]({{< relref "add-support-for-explore-queries.md">}})
-  - [Add query editor help]({{< relref "add-query-editor-help.md">}})
-  - [Add variables]({{< relref "add-support-for-variables.md">}})
-  - [Create panel option editors]({{< relref "custom-panel-option-editors.md">}})
-- [Sign a plugin]({{< relref "sign-a-plugin.md">}})
-- [Automate development with CI](https://grafana.github.io/plugin-tools/docs/ci)
-- [Create nested plugins](https://grafana.github.io/plugin-tools/docs/nested-plugins)
-- [Extend configurations](https://grafana.github.io/plugin-tools/docs/advanced-configuration)
+- [Develop a plugin]({{< relref "./develop-a-plugin" >}})
+- [Extend a plugin]({{< relref "./extend-a-plugin" >}})