fix: Configure Vite preview server allowedHosts

- Add easypanel.host to allowed hosts list
- Keep localhost and 127.0.0.1 for local dev
- Use specific domain instead of true for security

astro.config.mjs

@@ -7,10 +7,10 @@ import tailwindcss from '@tailwindcss/vite';
 export default defineConfig({
   output: 'static',
   vite: {
-    server: {
+    plugins: [tailwindcss()],
+    preview: {
       host: '0.0.0.0',
-      allowedHosts: true,
+      allowedHosts: ['.easypanel.host', 'localhost', '127.0.0.1'],
     },
-    plugins: [tailwindcss()]
   },
 });