feat(clerk-js): Introduce redirect rules

[jacekradko]

Description

Proof-of-concept centralization of redirect rules for the sign in component

Checklist

• [ ] pnpm test runs as expected.
• [ ] pnpm 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:

Summary by CodeRabbit

• Tests

  • Enhanced multi-session sign-in flow with improved step-by-step navigation and element visibility checks.
  • Added comprehensive single-session mode validation including redirect behavior, account switcher visibility, and sign-in functionality.

• Chores

  • Centralized redirect handling for sign-in functionality.
  • Updated build configuration for improved file tracing and webpack optimization.

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