refactor: migrate to pnpm monorepo with Payload CMS backend and Astro frontend to support scalable website development and AI-assisted workflows

apps/frontend/tailwind.config.cjs

@@ -0,0 +1,9 @@
+const sharedConfig = require('@enchun/shared/tailwind-config');
+
+module.exports = {
+  ...sharedConfig,
+  content: [
+    './src/**/*.{astro,tsx,ts,jsx,js,mdx}',
+    ...sharedConfig.content
+  ]
+};