Fix website build errors both for Grafana and content mounted in Grafana Cloud (#64794)

* Fix reference to Grafana CLI

- Make relref for relative permalink
- Use relative path for unambiguous resolution

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

* Fix alerting relref anchor format

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

* Avoid ambiguous relref lookups by forcing relative resolution

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

* Remove reference to non-existent shared page

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

* Fix links broken in Grafana Cloud using absolute relrefs

By resolving the relref absolutely, it refers to the same location
regardless of mounted directory.

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

* Remove trailing slash for bundle independent resolution

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

* Fix typo

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

* For now, avoid Hugo checking cross repository /docs/grafana-cloud link

The path is unlikely to change in the short term and this makes CI
completely green for now.

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

* No need to specify path for in page anchors

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>

* Fix prose

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

---------

Signed-off-by: Jack Baldry <jack.baldry@grafana.com>
Co-authored-by: Christopher Moyer <35463610+chri2547@users.noreply.github.com>

docs/sources/developers/http_api/short_url.md

@@ -37,7 +37,7 @@ Authorization: Bearer eyJrIjoiT0tTcG1pUlY2RnVKZTFVaDFsNFZXdE9ZWmNrMkZYbk
 
 JSON body schema:
 
-- **path** – The path to shorten, relative to the Grafana [root_url]({{< relref "../../setup-grafana/configure-grafana/#root_url" >}}).
+- **path** – The path to shorten, relative to the Grafana [root_url]({{< relref "/docs/grafana/latest/setup-grafana/configure-grafana#root_url" >}}).
 
 **Example response:**