Update CONTRIBUTING.md

CONTRIBUTING.md

@@ -80,7 +80,16 @@ npm run start
 
 Note: You will need to have publishing access to the package on npmjs.com in order to release a new version..
 
+To release a new **production** version:
+
 * Check out main branch and ensure no local changes: `git checkout main && git fetch && git reset origin/main --hard`
-* Bump version: `npm version major|minor|patch`. This updates the version in the package.json, runs build script, commits changes and creates a tag from the commit.
+* Bump version: `npm version major|minor|patch` (select the appropriate version type). This updates the version in the package.json, runs build script, commits changes and creates a tag from the commit.
 * Push changes: `git push --follow-tags`
 * Publish to NPM: `npm publish`
+
+Release a **beta** version:
+
+* Check out main branch and ensure no local changes: `git checkout main && git fetch && git reset origin/main --hard`
+* Run `npm version premajor|preminor|prepatch --preid beta` (select appropriate version type).
+* Push changes: `git push --follow-tags`
+* Publish to NPM: `npm publish --tag beta`