feat(demo): use Tailwind v4 on all templates

[bukinoshita]

• feat(demo): use Tailwind v4 in aws-verify-email.tsx #2489
• feat(demo): use Tailwind v4 in linear-login-code.tsx #2490
• feat(demo): use Tailwind v4 in notion-magic-link.tsx #2488
• feat(demo): use Tailwind v4 in plaid-verify-identity.tsx #2491
• feat(demo): use Tailwind v4 in raycast-magic-link.tsx #2524
• feat(demo): use Tailwind v4 in slack-confirm.tsx #2492
• feat(demo): use Tailwind v4 in codepen-challengers.tsx #2493
• feat(demo): use Tailwind v4 in google-play-policy-update.tsx #2495
• feat(demo): use Tailwind v4 in stack-overflow-tips.tsx #2494
• feat(demo): use Tailwind v4 in github-access-token.tsx #2496
• feat(demo): use Tailwind v4 in yelp-recent-login.tsx #2497
• feat(demo): use Tailwind v4 in apple-receipt.tsx #2501
• feat(demo): use Tailwind v4 in nike-receipt.tsx #2500
• feat(demo): use Tailwind v4 in dropbox-reset-password.tsx #2505
• feat(demo): use Tailwind v4 in twitch-reset-password.tsx #2504
• feat(demo): use Tailwind v4 in airbnb-review.tsx #2503
• feat(demo): use Tailwind v4 in amazon-review.tsx #2502
• feat(demo): use Tailwind v4 in koala-welcome.tsx #2530
• feat(demo): use Tailwind v4 in stripe-welcome.tsx #2531

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Summary by cubic

Switched the demo app to the Tailwind-enabled @react-email/[email protected] to set up basic Tailwind v4 styling. This replaces the workspace dependency for consistent builds.

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Latest commit: e30c236

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Project	Deployment	Preview	Comments	Updated (UTC)
react-email	Ready	Preview	Comment	Oct 3, 2025 0:20am
react-email-demo	Error			Oct 3, 2025 0:20am

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_{Last updated for commit 147568d. This comment will update as new commits are pushed.}