docs(enterprise.md): update enterprise docs with public model hub and custom email branding information

docs/my-website/docs/enterprise.md

@@ -16,7 +16,10 @@ This covers:
 - ✅ **Feature Prioritization**
 - ✅ **Custom Integrations**
 - ✅ **Professional Support - Dedicated discord + slack**
-- ✅ **Custom SLAs**
+- ✅ [**Custom Swagger**](../docs/proxy/enterprise.md#swagger-docs---custom-routes--branding)
+- ✅ [**Public Model Hub**](../docs/proxy/enterprise.md#public-model-hub)
+- ✅ [**Custom Email Branding**](../docs/proxy/email.md#customizing-email-branding)
+
 
 
 ## [COMING SOON] AWS Marketplace Support

docs/my-website/docs/proxy/enterprise.md

@@ -587,3 +587,9 @@ DOCS_FILTERED="True" # only shows openai routes to user
 ```
 
 <Image img={require('../../img/custom_swagger.png')}  style={{ width: '900px', height: 'auto' }} />
+
+## Public Model Hub 
+
+Share a public page of available models for users
+
+<Image img={require('../../img/model_hub.png')} style={{ width: '900px', height: 'auto' }}/>