add: tailwind css

package.json

@@ -19,6 +19,7 @@
     "@payloadcms/next": "latest",
     "@payloadcms/payload-cloud": "latest",
     "@payloadcms/richtext-lexical": "latest",
+    "@tailwindcss/postcss": "^4.0.17",
     "auth": "^1.2.3",
     "cross-env": "^7.0.3",
     "graphql": "^16.8.1",
@@ -26,9 +27,11 @@
     "next-auth": "5.0.0-beta.25",
     "payload": "latest",
     "payload-authjs": "^0.7.1",
+    "postcss": "^8.5.3",
     "react": "19.0.0",
     "react-dom": "19.0.0",
-    "sharp": "0.32.6"
+    "sharp": "0.32.6",
+    "tailwindcss": "^4.0.17"
   },
   "devDependencies": {
     "@eslint/eslintrc": "^3.2.0",