Fix: Add manifest: true to Vite build config

- Enables Vite manifest generation for production builds
- Fixes CSS loading issues in production
- Resolves missing buttons in admin treatments page
- Ensures proper asset path resolution

vite.config.ts

@@ -23,6 +23,7 @@ export default defineConfig(({ mode }) => {
     publicDir: "public",
     build: {
       outDir: "dist",
+      manifest: true,
       rollupOptions: {
         input: "index.html"
       }