add back styles.css in vite

package.json

···
 {
 	"name": "atproto-ui",
-	"version": "0.11.2",
+	"version": "0.11.2-1",
 	"type": "module",
 	"description": "React components and hooks for rendering AT Protocol records.",
 	"main": "./lib-dist/index.js",

vite.config.ts

···
             output: {
                 preserveModules: true,
                 preserveModulesRoot: 'lib',
-                entryFileNames: '[name].js'
+                entryFileNames: '[name].js',
+                assetFileNames: (assetInfo) => {
+                    // Output CSS to root of lib-dist as styles.css
+                    if (assetInfo.name && assetInfo.name.endsWith('.css')) {
+                        return 'styles.css';
+                    }
+                    return 'assets/[name][extname]';
+                }
             }
         },
     }