[docs-revamp] - Add more Vale examples to readme (#23914)

## Summary & Motivation

## How I Tested These Changes

## Changelog [New | Bug | Docs]

NOCHANGELOG

docs/docs-beta/README.md

@@ -71,6 +71,8 @@ yarn lint
 ## Lints documentation content using Vale Server
 ## Checks for style guide adherence, grammar, spelling, etc.
 yarn vale
+yarn vale /path/to/file      ## check individual file
+yarn vale --no-wrap          ## remove wrapping from output
 ```
 
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