Docs: Add and organize panels (#51763)

* 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>

docs/sources/best-practices/best-practices-for-creating-dashboards.md

@@ -51,6 +51,6 @@ Once you have a strategy or design guidelines, write them down to help maintain
 - Use the left and right Y-axes when displaying time series with different units or ranges.
 - Add documentation to dashboards and panels.
   - To add documentation to a dashboard, add a [Text panel visualization]({{< relref "../visualizations/text-panel/" >}}) to the dashboard. Record things like the purpose of the dashboard, useful resource links, and any instructions users might need to interact with the dashboard. Check out this [Wikimedia example](https://grafana.wikimedia.org/d/000000066/resourceloader?orgId=1).
-  - To add documentation to a panel, [edit the panel settings]({{< relref "../panels/working-with-panels/add-panel/" >}}) and add a description. Any text you add will appear if you hover your cursor over the small `i` in the top left corner of the panel.
+  - To add documentation to a panel, edit the panel settings and add a description. Any text you add will appear if you hover your cursor over the small `i` in the top left corner of the panel.
 - Reuse your dashboards and enforce consistency by using [templates and variables]({{< relref "../variables/" >}}).
 - Be careful with stacking graph data. The visualizations can be misleading, and hide important data. We recommend turning it off in most cases.