ci: migrate docs + vrt websites from netlify to azure

[Rajdeepc]

Description

This PR migrates all preview deployments (documentation site, Storybook, and Visual Regression Tests) from Netlify to Azure Blob Storage for cost efficiency, and unified deployment strategy.
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(JK, THE MAIN GOAL IS TO AVOID THE $20 BILL THAT JOSH IS PAYING OUT OF HIS OWN POCKET)
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A quick overview of all the stuff I did in this PR

Key Changes:

Preview Deployments Now on Azure Blob Storage

• All documentation, Storybook, and VRT previews for PRs and beta builds are now deployed to Azure Blob Storage.

  • PR previews use the format:
  • https://swcpreviews.z13.web.core.windows.net/pr-<PR_NUMBER>/docs/
  • Beta documentation:
  • https://swcpreviews.z13.web.core.windows.net/beta/docs/
  • Visual regression previews and high-contrast mode are available at similar URLs under each PR.

• All preview URLs posted on PRs and in documentation have been updated to point to Azure.

CI/CD Pipeline Modernization

• CircleCI config (.circleci/config.yml):

  • Adds an install-azcopy command for installing and authenticating AzCopy CLI.
  • Replaces all Netlify deployment steps with AzCopy uploads to Azure.
  • Updates the logic for determining the PR number and deployment path, closely mirroring GitHub Actions logic.
  • Removes Netlify and related deployment retries.
  • Lint and documentation jobs updated to streamline and target Azure deployment.

• GitHub Actions:

  • Adds .github/actions/setup-azcopy composite action to set up AzCopy for workflows.
  • Adds .github/workflows/preview-docs.yml to build, deploy, and clean up PR documentation and Storybook on Azure.
  • Adds .github/workflows/trigger-ci-on-pr.yml to trigger CircleCI on PR open.
  • Updates .github/workflows/urls-smoke-test.yml to check Azure preview URLs and run smoke tests against them.

Documentation and User-Facing Changes

• Preview URLs in documentation updated to point to Azure Blob Storage, e.g. the beta documentation link.
• Automated PR comments now use Azure URLs for all previews (docs, Storybook, VRTs, and High Contrast Mode).
• Playwright E2E tests updated to handle Azure URL structure (e.g., SWC_DIR path prefix).
• Rollup config and asset URLs are now prefix-aware for Azure subdirectory deployments.

Dependency and Cleanup

• Removes Netlify-specific scripts and dependencies (e.g., netlify-cli, Netlify deploy scripts, related code).
• Cleans up preview quick-link assets and removes unused files.

Motivation and context

Operational Benefits:

• Unified hosting on Azure for all preview artifacts.
• Improved reliability and scalability, especially for PR and beta builds.
• THE $20 BILL

Related issue(s)

• SWC-900

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Author's checklist

• I have read the CONTRIBUTING and PULL_REQUESTS documents.
• I have reviewed at the Accessibility Practices for this feature, see: Aria Practices
• I have added automated tests to cover my changes.
• I have included a well-written changeset if my change needs to be published.
• I have included updated documentation if my change required it.

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Reviewer's checklist

• Includes a Github Issue with appropriate flag or Jira ticket number without a link
• Includes thoughtfully written changeset if changes suggested include patch, minor, or major features
• Automated tests cover all use cases and follow best practices for writing
• Validated on all supported browsers
• All VRTs are approved before the author can update Golden Hash

Manual review test cases

• Open a PR and verify that:

  • Documentation and Storybook previews are posted as comments and accessible at the new Azure URLs.
  • Visual Regression Test (VRT) previews are available and updated for each PR.
  • Beta documentation is accessible at the new Azure location.

• Ensure all CI jobs (CircleCI and GitHub Actions) succeed and the preview links are correct.

• Check that all Netlify links/references are gone from docs and config.

• Reviewers: See the posted PR comment for all preview links.

Device review

• Did it pass in Desktop?
• Did it pass in (emulated) Mobile?
• Did it pass in (emulated) iPad?

[changeset-bot]

⚠️ No Changeset found

Latest commit: a6b7ed9

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[github-actions]

Tachometer results

Currently, no packages are changed by this PR...

[rubencarvalho]

Is this necessary? Looks like we’re already setting these in the node environment.

[rubencarvalho]

Also, single quotes here prevent variable expansion, so we’d just be writing the literal strings (e.g. $AZURE_CLIENT_ID) into $BASH_ENV.

[rubencarvalho]

Nice!

[TarunAdobe]

APPROVAL GRANTED! IN FACT, APPROVAL ASCENDED TO MYTHICAL STATUS!

[Rajdeepc]

Superb work @TarunAdobe ! This needs a celebration.

[pfulton]

@TarunAdobe would you mind taking checking on the beta URL? I tried hitting the URL in your original PR description (and then also tried putting the pr number in there and moving it around to different parts of the URL structure) and either I have the wrong URL or it didn't correctly deploy.

[TarunAdobe]

@TarunAdobe would you mind taking checking on the beta URL? I tried hitting the URL in your original PR description (and then also tried putting the pr number in there and moving it around to different parts of the URL structure) and either I have the wrong URL or it didn't correctly deploy.

@pfulton Beta docs deploy only happens on main branch. so that link won't be accessible until this pr gets merged.