fix: automatically assign keys to custom `<PrismicRichText>` components

[angeloashmore]

Types of changes

• [ ] Chore (a non-breaking change which is related to package maintenance)
• [x] Bug fix (a non-breaking change which fixes an issue)
• [ ] New feature (a non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Description

This PR automatically applies keys to custom components provided to <PrismicRichText>. Without the PR, React logs an error about missing keys if the a key prop is not explicitly given to each component.

More details: #114

Checklist:

• [ ] My change requires an update to the official documentation.
• [x] All TSDoc comments are up-to-date and new ones have been added where necessary.
• [x] All new and existing tests are passing.

🐺

[github-actions[bot]]

size-limit report 📦

Path	Size
dist/index.mjs	4.08 KB (+0.97% 🔺)
dist/index.cjs	5.63 KB (+0.65% 🔺)