Docs: Add and organize panels (#51763) (#51764)

* combines topics into add and organize panels topic

* updates front matter

* fixes relrefs

* fixes typo

* Update docs/sources/dashboards/add-organize-panels.md

Co-authored-by: Torkel Ödegaard <torkel@grafana.com>

* Update docs/sources/dashboards/add-organize-panels.md

Co-authored-by: Torkel Ödegaard <torkel@grafana.com>

* make prettier

Co-authored-by: Torkel Ödegaard <torkel@grafana.com>
(cherry picked from commit e4bf7ddefe)

Co-authored-by: Christopher Moyer <35463610+chri2547@users.noreply.github.com>

docs/sources/panels/query-a-data-source/inspect-query-performance.md

@@ -10,13 +10,6 @@ weight: 80
 
 The **Stats** tab displays statistics that tell you how long your query takes, how many queries you send, and the number of rows returned. This information can help you troubleshoot your queries, especially if any of the numbers are unexpectedly high or low.
 
-## Before you begin
-
-- [Add a panel to a dashboard]({{< relref "../working-with-panels/add-panel/" >}}).
-- [Add a query]({{< relref "add-a-query/" >}}).
-
-**To inspect query performance**:
-
 1. Edit the panel that contains the query with performance you want to inspect.
 1. In the query editor, click **Query Inspector**.
 1. Click **Stats**.