Docs: Update chromatic-install.md

[Borgund]

I noticed the 'Publish Storybook' docs was missing the install script for Chromatic when having set pnpm as the package manager.

What I did

Updated the documentation for 'Publish Storybook' to include an install script for chromatic when having pnpm selected as the package manager in code snipets.

Checklist for Contributors

Testing

The changes in this PR are covered in the following automated tests:

• stories
• unit tests
• integration tests
• end-to-end tests

Manual testing

This section is mandatory for all contributions. If you believe no manual test is necessary, please state so explicitly. Thanks!

The change is adding a code snippet. So i assume it can be quickly verified manually. The MD is imported in the 'docs/sharing/publish-storybook.mdx' file and available on the docs page under: https://storybook.js.org/docs/sharing/publish-storybook#publish-storybook-with-chromatic

Documentation

• Add or update documentation reflecting your changes
• If you are deprecating/removing a feature, make sure to update
  MIGRATION.MD

Checklist for Maintainers

• When this PR is ready for testing, make sure to add ci:normal, ci:merged or ci:daily GH label to it to run a specific set of sandboxes. The particular set of sandboxes can be found in code/lib/cli-storybook/src/sandbox-templates.ts

• Make sure this PR contains one of the labels below:

  Available labels

  • bug: Internal changes that fixes incorrect behavior.
  • maintenance: User-facing maintenance tasks.
  • dependencies: Upgrading (sometimes downgrading) dependencies.
  • build: Internal-facing build tooling & test updates. Will not show up in release changelog.
  • cleanup: Minor cleanup style change. Will not show up in release changelog.
  • documentation: Documentation only changes. Will not show up in release changelog.
  • feature request: Introducing a new feature.
  • BREAKING CHANGE: Changes that break compatibility in some way with current major version.
  • other: Changes that don't fit in the above categories.

🦋 Canary release

This PR does not have a canary release associated. You can request a canary release of this pull request by mentioning the @storybookjs/core team here.

core team members can create a canary release here or locally with gh workflow run --repo storybookjs/storybook canary-release-pr.yml --field pr=<PR_NUMBER>

Greptile Summary

Added pnpm installation command for Chromatic in the documentation snippets to provide complete package manager coverage alongside existing npm and yarn commands.

• Added pnpm add --save-dev chromatic command in /docs/_snippets/chromatic-install.md
• Installation snippet maintains consistent format with other package manager commands
• Command appears in the "Publish Storybook with Chromatic" section of the documentation

[greptile-apps]

LGTM

_{1 file(s) reviewed, no comment(s)
Edit PR Review Bot Settings | Greptile}

[kylegach]

Thanks, @Borgund! 🙌

And congratulations on your first contribution!! 🥳

[nx-cloud]

☁️ Nx Cloud Report

CI is running/has finished running commands for commit 6318643. As they complete they will appear below. Click to see the status, the terminal output, and the build insights.

📂 See all runs for this CI Pipeline Execution

---

✅ Successfully ran 1 target

• nx run-many -t build --parallel=3

---

Sent with 💌 from NxCloud.