Drop @react-email/preview-server from dependencies (#153)

* Drop `@react-email/preview-server` from dependencies

Which shipped with a lot of transitive dependencies and it's own next version (16.1.x)

Add a very lightweight development only email preview using `@react-email/components`

* fix biome warnings

* fix biome

* fixed CR issue

Author: damianlegawiec

README.md

@@ -356,11 +356,7 @@ Templates are in `src/lib/emails/` as React components:
 
 ### Previewing Templates
 
-```bash
-npm run email:dev
-```
-
-Opens the [react-email](https://react.email) dev server with all templates and mock data for live preview.
+Run the storefront in development (`npm run dev`) and visit [http://localhost:3001/dev/emails](http://localhost:3001/dev/emails). Each template is rendered with sample data using `@react-email/render`; the route is gated to non-production environments.
 
 ### How It Works
 

emails/order-canceled.tsx

@@ -5,7 +5,7 @@ import createNextIntlPlugin from "next-intl/plugin";
 const withNextIntl = createNextIntlPlugin();
 
 const nextConfig: NextConfig = {
-  allowedDevOrigins: ["shop.lvh.me", "*.trycloudflare.com"],
+  allowedDevOrigins: ["shop.lvh.me", "*.trycloudflare.com", "192.168.33.13"],
   env: {
     NEXT_PUBLIC_SENTRY_DSN: process.env.SENTRY_DSN || "",
   },