add cloud (#1304)

docs-2.0/nebula-cloud/1.what-is-cloud.md

@@ -2,6 +2,9 @@
 
 Nebula Graph Cloud (Cloud for short) is a product that supports one-click deployment of Nebula Graph on the [Azure](https://azure.microsoft.com/en-us/) platform. You can create a graph database within minutes, and quickly expand computing and storage.
 
+Currently, only Nebula Graph 2.6.2 is supported. For more information. see [What is Nebula Graph Cloud](https://docs.nebula-graph.io/2.6.2/nebula-cloud/1.what-is-cloud/).
+
+<!--
 ## Scenarios
 
 You want to use Azure cloud resources to quickly subscribe to the Nebula Graph service and to deploy the Nebula Graph database to the cloud, supporting the use of visualized tools and functions of privilege management.
@@ -19,3 +22,4 @@ You want to use Azure cloud resources to quickly subscribe to the Nebula Graph s
 - Flexible and efficient: You can quickly build a Nebula Graph database without purchasing physical servers, storage devices, computing, or network components. It only takes 5-10 minutes to prepare a complete environment for use.
 - High availability: Nebula Graph clusters use Raft to implement data redundancy backup with multiple server rooms in the same city to ensure the reliability of data, and the high availability of the cloud computing infrastructure and cloud servers.
 - Easy to use: Nebula Cloud provides online management of Nebula Graph clusters on the Web, and also provides corresponding visualized tools of Nebula Graph to help users get started quickly.
+-->

mkdocs.yml

@@ -397,7 +397,7 @@ nav:
     - Nebula Python: 14.client/5.nebula-python-client.md
     - Nebula Go: 14.client/6.nebula-go-client.md
 
-#  - Nebula Graph Cloud:
+  - Nebula Graph Cloud: nebula-cloud/1.what-is-cloud.md
 #    - What is Nebula Graph Cloud: nebula-cloud/1.what-is-cloud.md
 #    - Create a subscription: nebula-cloud/2.how-to-create-subsciption.md
 #    - Configure a Solution: nebula-cloud/3.how-to-set-solution.md