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

packages/ui/tsconfig.json

@@ -11,6 +11,6 @@
       "~/ui/*": ["./src/shadcn/*"]
     }
   },
-  "include": ["*.ts", "src"],
+  "include": ["src"],
   "exclude": ["node_modules"]
-}
+}