Add onboarding, deployment, and security documentation

SUMMARY.md

@@ -31,9 +31,17 @@
 
 * [V2 to V3 Migration Guide](guides/migration-v2-to-v3.md)
 * [Workflow Dispatcher Architecture](guides/architecture/workflow-dispatcher.md)
+* [Onboarding](guides/onboarding/README.md)
+  * [Hosting Elsa in an Existing App](guides/onboarding/hosting-elsa-in-existing-app.md)
 * [Authentication & Authorization](guides/authentication.md)
 * [Security & Authentication](guides/security/README.md)
+  * [Disable Auth in Development](guides/security/disable-auth.md)
+  * [External Identity Providers](guides/security/external-identity-providers.md)
+* [Deployment](guides/deployment/README.md)
+  * [Kubernetes Basics](guides/deployment/kubernetes.md)
 * [Kubernetes Deployment](guides/kubernetes-deployment.md)
+* [Integration](guides/integration/README.md)
+  * [Blazor Dashboard](guides/integration/blazor-dashboard.md)
 * [Clustering](guides/clustering/README.md)
 * [Performance & Scaling](guides/performance/README.md)
   * [Throughput Tuning](guides/performance/examples/throughput-tuning.md)

guides/deployment/README.md

@@ -0,0 +1,14 @@
+# Deployment
+
+This section covers deploying Elsa Workflows to various environments and platforms.
+
+## Guides in This Section
+
+* [Kubernetes Basics](kubernetes.md) - Quick-start guide for deploying Elsa to Kubernetes with PostgreSQL persistence, including troubleshooting and production best practices.
+
+## Related Documentation
+
+- [Kubernetes Deployment (Full Guide)](../kubernetes-deployment.md) - Comprehensive Kubernetes deployment guide with Helm charts, autoscaling, and monitoring
+- [Clustering](../clustering/README.md) - Multi-node deployment patterns
+- [Security & Authentication](../security/README.md) - Securing your deployments
+- [Database Configuration](../../getting-started/database-configuration.md) - Persistence setup