chore: add @tailwindcss/postcss to example

Author: marklawlor

example/package.json

@@ -12,6 +12,7 @@
   },
   "dependencies": {
     "@expo/metro-runtime": "6.0.0-canary-20250713-8f814f8",
+    "@tailwindcss/postcss": "^4.1.11",
     "expo": "54.0.0-canary-20250713-8f814f8",
     "expo-dev-client": "5.2.4",
     "expo-status-bar": "~2.2.3",

package.json

@@ -133,7 +133,6 @@
     "@commitlint/config-conventional": "^19.8.1",
     "@eslint/js": "^9.30.1",
     "@ianvs/prettier-plugin-sort-imports": "^4.4.2",
-    "@tailwindcss/postcss": "^4.1.11",
     "@testing-library/react-native": "^13.2.0",
     "@tsconfig/react-native": "^3.0.6",
     "@types/babel__core": "^7",

yarn.lock

@@ -10888,6 +10888,7 @@ __metadata:
   dependencies:
     "@babel/core": "npm:^7.20.0"
     "@expo/metro-runtime": "npm:6.0.0-canary-20250713-8f814f8"
+    "@tailwindcss/postcss": "npm:^4.1.11"
     expo: "npm:54.0.0-canary-20250713-8f814f8"
     expo-dev-client: "npm:5.2.4"
     expo-status-bar: "npm:~2.2.3"