add NanoCluster case info

.gitignore

@@ -6,4 +6,5 @@ temp
 .qiniu_pythonsdk_hostscache.json
 *.temp
 *.mo
-.venv
+.venv
+.DS_Store

docs/hardware/en/cluster/NanoCluster/use.md

@@ -4,6 +4,22 @@ title: Quick Start
 
 ## Hardware Installation
 
+### ⚠️Notice
+
+There are currently two shell styles being shipped. If you receive a red and white colored shell, you almost don't need to follow the steps below, as the accessories are already pre-installed.
+
+![case1](../../../zh/cluster/NanoCluster/assets/case1.png)![case2](../../../zh/cluster/NanoCluster/assets/case2.png)
+
+If you want to print a new shell yourself, you can download the model files from makerworld and print it yourself. The link is
+
+https://makerworld.com.cn/zh/models/1311487
+
+If you want to install three Cluster in a 10-inch rack, you can use the following model.
+
+https://makerworld.com.cn/zh/models/1349837
+
+![case3](../../../zh/cluster/NanoCluster/assets/case3.png)
+
 ### LM3H Installation
 
 First, attach the heatsink to the main control chip to improve heat dissipation. When installing the core board, ensure the correct orientation to avoid damaging the device.

docs/hardware/zh/cluster/NanoCluster/use.md

@@ -4,6 +4,22 @@ title: 快速上手
 
 ## 硬件安装
 
+### ⚠️注意
+
+目前有两种外壳样式在发货，如果您收到了红白配色的外壳，则几乎不需要执行下面的步骤，因为配件都已经预先安装好了。
+
+![case1](./assets/case1.png)![case2](./assets/case2.png)
+
+如果您想自己打印新款外壳，可以在makerworld下载模型文件自己打印，链接是
+
+https://makerworld.com.cn/zh/models/1311487
+
+如果你想将三台Cluster安装在一个10英寸机柜上可以使用下面这个模型。
+
+https://makerworld.com.cn/zh/models/1349837
+
+![case3](./assets/case3.png)
+
 ### LM3H 安装
 
 先将散热片粘贴到主控芯片上，以提升散热效果。安装核心板时，请确保方向正确，以免损坏设备。