🎉 "new" label for articles on the homepage

[ikesau]

Resolves #3495

Changes:

1. Adds an isNew property to featured article cards in the homepage-intro component
2. Adds a util to validate raw boolean properties, and uses it in all relevant locations in rawToEnriched.ts

Preview

To test

Copy-paste the homepage-intro component from the OWID Homepage document into your own testing gdoc, and update the type front-matter to homepage. Add isNew: true to as many cards as you'd like.

[owidbot]

Quick links (staging server):

Site Dev	Site Preview	Admin	Wizard	Docs

Login: ssh owid@staging-site-new-kicker

• Site-screenshots: https://github.com/owid/site-screenshots/compare/new-kicker
• SVG tester: https://github.com/owid/owid-grapher-svgs/compare/new-kicker

SVG tester:

Number of differences (default views): 0 ✅
Number of differences (all views): 0 ✅

Edited: 2025-02-10 23:08:25 UTC
Execution time: 1.17 seconds