Add @tailwindcss/vite dependency and integrate with Vite configuration; remove obsolete postcss.config.js

Author: hotlong

examples/crm-app/package.json

@@ -26,6 +26,7 @@
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4.1.18",
+    "@tailwindcss/vite": "^4.1.18",
     "@types/react": "^18.3.3",
     "@types/react-dom": "^18.3.0",
     "@vitejs/plugin-react": "^4.3.1",

examples/crm-app/postcss.config.js

@@ -1,9 +1,13 @@
 import { defineConfig } from 'vite';
 import react from '@vitejs/plugin-react';
+import tailwindcss from '@tailwindcss/vite';
 import path from 'path';
 
 export default defineConfig({
-  plugins: [react()],
+  plugins: [
+    react(),
+    tailwindcss(),
+  ],
   resolve: {
     alias: {
       '@': path.resolve(__dirname, './src'),