docs: update contributing guide

Author: levimykel

CONTRIBUTING.md

@@ -131,6 +131,14 @@ npm run release:alpha:dry
 npm run release:alpha
 ```
 
+After publishing a new release, publish the tags as releases. This will show the latest release on the repository's homepage.
+
+1. Go to the repository's [Tags page](https://github.com/prismicio/prismic-client/tags).
+2. Open the options for the tag you just published to NPM and select "Create release."
+3. Ensure that the "Set as the latest release" box is checked, then publish the release.
+
+---
+
 [^1]: This package is maintained by the DevX team. Prismic employees can ask for help or a review in the [#team-devx](https://prismic-team.slack.com/archives/C014VAACCQL) Slack channel.
 
 [^2]: Prismic employees are highly encouraged to discuss changes with the DevX team in the [#team-devx](https://prismic-team.slack.com/archives/C014VAACCQL) Slack channel before starting.