Next.js Supabase V3 (#463)

Version 3 of the kit:
- Radix UI replaced with Base UI (using the Shadcn UI patterns)
- next-intl replaces react-i18next
- enhanceAction deprecated; usage moved to next-safe-action
- main layout now wrapped with [locale] path segment
- Teams only mode
- Layout updates
- Zod v4
- Next.js 16.2
- Typescript 6
- All other dependencies updated
- Removed deprecated Edge CSRF
- Dynamic Github Action runner

apps/dev-tool/app/prds/[filename]/page.tsx

@@ -1,5 +1,4 @@
 import { Metadata } from 'next';
-
 import { notFound } from 'next/navigation';
 
 import { loadPRDPageData } from '../_lib/server/prd-page.loader';