chore: Fix failing Vercel builds (#40612)

Try to fix it by adding tailwind in the root workspace.

package.json

@@ -50,6 +50,7 @@
     "sass": "^1.72.0",
     "supabase": "^2.58.5",
     "supports-color": "^8.0.0",
+    "tailwindcss": "catalog:",
     "turbo": "2.3.3",
     "typescript": "catalog:"
   },

pnpm-lock.yaml

@@ -103,6 +103,9 @@ importers:
       supports-color:
         specifier: ^8.0.0
         version: 8.1.1
+      tailwindcss:
+        specifier: 'catalog:'
+        version: 3.4.1(ts-node@10.9.2(@types/node@22.13.14)(typescript@5.9.2))
       turbo:
         specifier: 2.3.3
         version: 2.3.3