Add artifact link to PR message, add artifact id as output (#293)

* Add full coverage report link

* Build

* Document artifact-id output

* npm run prepare

* Update index.js.map

* audit fix

---------

Co-authored-by: Zennon Gosalvez <1798166+zgosalvez@users.noreply.github.com>

Author: zoeyfyi-sage

README.md

@@ -23,6 +23,7 @@ For more information on these inputs, see the [Workflow syntax for GitHub Action
 
 ### Outputs
 - `total-coverage`: The total coverage from scanned files.
+- `artifact-id`: The GitHub artifact id for the generated HTML report.
 
 Sample comment:
 ![Screenshot](assets/comment.png)