fix: change featured status for participation content and remove deprecated award card
feat: add migration for new participation phase form fields and backfill existing data
feat: create AwardsGridSection component for displaying awards with improved layout
feat: implement NewsletterInterestForm component for newsletter sign-up with validation
- Created migration index file to manage database migrations.
- Added script to preload participation awards and related blog posts into the CMS.
- Introduced new types and default data for application phases.
- Added award articles data structure for the upcoming awards.
