Docs: Setup refactor (#49739)

* builds out refactored setup topics

* Automatically fix some relrefs with mv-manager

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

* Use refs for tutorials content which is outside of this repository

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

* Manually fix complicated relrefs

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

* consolidates team sync and db encryption topics

* Fix relrefs

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

* updates setup index file

* Convert TOML to YAML

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

* Add current alias for new alerting content

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

* Add current aliases to new setup-grafana and configure-security pages

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

* Update docs/sources/setup-grafana/configure-grafana/_index.md

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

* moves saml docs, updates order in TOC

* Manually fix relrefs

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

* added usage insights topics, adjusted weights

* corrected relrefs

* Fix relrefs broken in rebase

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

Co-authored-by: Jack Baldry <jack.baldry@grafana.com>
Co-authored-by: Torkel Ödegaard <torkel@grafana.com>

docs/sources/developers/http_api/admin.md

@@ -358,7 +358,7 @@ Content-Type: application/json
 See note in the [introduction]({{< ref "#admin-api" >}}) for an explanation.
 
 | Action                | Scope           |
-| --------------------- | --------------- |
+| --------------------- | --------------- |
 | users.authtoken:write | global.users:\* |
 
 **Example Request**: