feat(clerk-js,themes): Introduce internal polished theme and a clerk theme that enables opt out

[desiprisg]

Description

Have fancy css in a separate internal theme in order to keep the codebase cleaner, and enable opt-out via a dummy theme.

import { reset } from '@clerk/themes';

 <ClerkProvider
      appearance={{
        baseTheme: [reset, customTheme],
        variables: {
            ...
        },
      }}
      {...pageProps}
 >

This would also work as expected (only signIn would be reset):

import { reset } from '@clerk/themes';

 <ClerkProvider
      appearance={{
        signIn: [reset, customTheme],
        variables: {
            ...
        },
      }}
      {...pageProps}
 >

Checklist

• npm test runs as expected.
• npm run build runs as expected.
• (If applicable) JSDoc comments have been added or updated for any package exports
• (If applicable) Documentation has been updated

Type of change

• 🐛 Bug fix
• 🌟 New feature
• 🔨 Breaking change
• 📖 Refactoring / dependency upgrade / documentation
• other:

Packages affected

• @clerk/backend
• @clerk/chrome-extension
• @clerk/clerk-js
• @clerk/clerk-expo
• @clerk/fastify
• gatsby-plugin-clerk
• @clerk/localizations
• @clerk/nextjs
• @clerk/clerk-react
• @clerk/remix
• @clerk/clerk-sdk-node
• @clerk/shared
• @clerk/themes
• @clerk/types
• build/tooling/chore

[changeset-bot]

🦋 Changeset detected

Latest commit: 1ab6b8f

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 0 packages

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[desiprisg]

Transfering/adding more styles to polishedAppearance soon.

[desiprisg]

!preview

[clerk-cookie]

Hey @desiprisg, your preview is available.

Status	Preview	Updated (UTC)
🍪 Deployed	Visit preview	Feb 07, 2024 05:54 PM