docs: concepts for cloud and doc-reorg (#2196)

Update langgraph documentation

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Co-authored-by: Vadym Barda <vadym@langchain.dev>
Co-authored-by: Eugene Yurtsev <eyurtsev@gmail.com>
Co-authored-by: Nuno Campos <nuno@langchain.dev>
Co-authored-by: Chester Curme <chester.curme@gmail.com>
Co-authored-by: William FH <13333726+hinthornw@users.noreply.github.com>

docs/docs/concepts/deployment_options.md

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+# Deployment Options
+
+!!! info "Prerequisites"
+
+    - [LangGraph Platform](./langgraph_platform.md)
+    - [LangGraph Server](./langgraph_server.md)
+
+## Overview
+
+There are 3 main options for deploying with the LangGraph Platform:
+
+1. **[Self-Hosted](#self-hosted)**: Available for **a free trial** and **Enterprise** plan.
+
+2. **[Cloud SaaS](#cloud-saas)**: Available for **Plus** and **Enterprise** plans.
+
+3. **[Bring Your Own Cloud](#bring-your-own-cloud)**: Available only for **Enterprise** plans and **only on AWS**.
+
+Please see the [LangGraph Platform Pricing](https://www.langchain.com/langgraph-platform-pricing) for more information on the different plans.
+
+The guide below will explain the differences between the deployment options.
+
+## Self-Hosted
+
+!!! important
+
+    The Self-Hosted version is only available for **a free trial** and **Enterprise** plan.
+
+With a Self-Hosted deployment, you are responsible for managing the infrastructure, including setting up and maintaining required databases and Redis instances.
+
+You’ll build a Docker image using the [LangGraph CLI](./langgraph_cli.md), which can then be deployed on your own infrastructure.
+
+For more information, please see:
+
+* [Self-Hosted Deployment how-to guide](../how-tos/deploy-self-hosted.md)
+
+## Cloud SaaS
+
+!!! important
+
+    The Cloud SaaS version of LangGraph Platform is only available for **Plus** and **Enterprise** plans.
+
+
+The [Cloud SaaS](./langgraph_cloud.md) version of LangGraph Platform is hosted as part of [LangSmith](https://smith.langchain.com/).
+
+The Cloud SaaS version of LangGraph Platform provides a simple way to deploy and manage your LangGraph applications.
+
+This deployment option provides an integration with GitHub, allowing you to deploy code from any of your repositories on GitHub.
+
+For more information, please see:
+
+* [Cloud SaaS Conceptual Guide](./langgraph_cloud.md)
+* [How to deploy to Cloud SaaS](../cloud/deployment/cloud.md)
+
+
+## Bring Your Own Cloud
+
+!!! important
+
+    The Bring Your Own Cloud version of LangGraph Platform is only available for **Enterprise** plans.
+
+
+This combines the best of both worlds for Cloud and Self-Hosted. We manage the infrastructure, so you don't have to, but the infrastructure all runs within your cloud. This is currently only available on AWS.
+
+For more information please see:
+
+* [Bring Your Own Cloud Conceptual Guide](./bring_your_own_cloud.md)
+
+## Related
+
+For more information please see:
+
+* [LangGraph Platform Pricing](https://www.langchain.com/langgraph-platform-pricing)
+* [Deployment how-to guides](../how-tos/index.md#deployment)