Docs: updates for file-based menu (#28500)

* initial

* cleanup

* remove bad aliases

* cleanup, fix links

* add docs-file-based-command

* update docs

* update readme

* fix broken links

* fix spelling

Co-authored-by: Diana Payton <52059945+oddlittlebird@users.noreply.github.com>

docs/sources/datasources/cloudwatch.md

@@ -2,12 +2,7 @@
 title = "AWS CloudWatch"
 description = "Guide for using CloudWatch in Grafana"
 keywords = ["grafana", "cloudwatch", "guide"]
-type = "docs"
 aliases = ["/docs/grafana/latest/datasources/cloudwatch"]
-[menu.docs]
-name = "AWS Cloudwatch"
-identifier = "cloudwatch"
-parent = "datasources"
 weight = 200
 +++