fix(webapp): include Tailwind in production image

Author: carderne

apps/webapp/package.json

@@ -213,6 +213,7 @@
     "superjson": "^2.2.1",
     "tailwind-merge": "^3.6.0",
     "tailwind-scrollbar-hide": "^4.0.0",
+    "tailwindcss": "^4.3.1",
     "tiny-invariant": "^1.2.0",
     "tw-animate-css": "^1.4.0",
     "util": "^0.12.5",
@@ -269,7 +270,6 @@
     "style-loader": "^3.3.4",
     "supertest": "^7.0.0",
     "tailwind-scrollbar": "^4.0.2",
-    "tailwindcss": "^4.3.1",
     "tsconfig-paths": "^3.14.1",
     "tsx": "^4.20.6",
     "typescript": "catalog:",