Add dynamic sitemap and robots.txt generation

.env.example

@@ -56,3 +56,6 @@ SENTRY_AUTH_TOKEN=your-auth-token
 # Set to "true" only if you have user consent or a privacy policy covering this.
 SENTRY_SEND_DEFAULT_PII=false
 NEXT_PUBLIC_SENTRY_SEND_DEFAULT_PII=false
+
+# Public site URL (used as fallback for sitemap/robots if store.url is not set)
+# NEXT_PUBLIC_SITE_URL=https://your-store.com

README.md

@@ -80,6 +80,8 @@ SPREE_PUBLISHABLE_KEY=your_publishable_api_key_here
 
 | Variable | Description | Default |
 |----------|-------------|---------|
+| `NEXT_PUBLIC_DEFAULT_COUNTRY` | Default country ISO code, used for initial redirects before API data loads | `us` |
+| `NEXT_PUBLIC_DEFAULT_LOCALE` | Default locale code | `en` |
 | `GTM_ID` | Google Tag Manager container ID (e.g. `GTM-XXXXXXX`) | _(disabled)_ |
 | `SENTRY_DSN` | Sentry DSN for error tracking (e.g. `https://key@o0.ingest.sentry.io/0`) | _(disabled)_ |
 | `SENTRY_ORG` | Sentry organization slug (for source map uploads) | _(none)_ |