Docs: combines use dashboard content into single topic (#51527) (#51554)

* combines use dashboard content into single topic

* Some minor updates

* corrects spelling

Co-authored-by: Torkel Ödegaard <torkel@grafana.com>
(cherry picked from commit 40e72c6de3)

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

docs/sources/getting-started/build-first-dashboard.md

@@ -53,7 +53,7 @@ Continue to experiment with what you have built, try the [explore workflow]({{<
 
 - [Panels]({{< relref "../panels/" >}})
 - [Dashboards]({{< relref "../dashboards/" >}})
-- [Keyboard shortcuts]({{< relref "../dashboards/shortcuts/" >}})
+- [Keyboard shortcuts]({{< relref "../dashboards/use-dashboards/#keyboard-shortcuts" >}})
 - [Plugins](https://grafana.com/grafana/plugins?orderBy=weight&direction=asc)
 
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