PackageJson: Prettify markdown/mdx on commit with lint-staged (#37616)

* Format md,mdx files with prettier on lint-staged

* Manually run prettier on docs/sources

docs/sources/http_api/other.md

@@ -5,7 +5,6 @@ keywords = ["grafana", "http", "documentation", "api", "other"]
 aliases = ["/docs/grafana/latest/http_api/other/"]
 +++
 
-
 # Frontend Settings API
 
 ## Get Settings