docs: add command docs (#16)

docs/command/command.md

@@ -0,0 +1,44 @@
+---
+title: Command
+description: Executing commands on multiple machines via SSH
+keywords: [ssh, command, execute]
+authors: [leo220yuyaodog]
+---
+
+## Overview
+
+Casvisor provides a command feature that allows you to execute commands on multiple machines via SSH. This feature is
+useful for managing multiple machines at the same time. You can execute commands on multiple machines at the same time,
+and the results will be displayed in the web UI. Casvisor also exposes API for executing commands.
+
+![command](/img/command/command.png)
+
+## Usage
+
+1. Click the `add` button in the command list page to add a new command.
+2. Input the command in the command input box, if you want to execute multiple commands, you can input commands in multiple lines.
+3. Select the assets of SSH protocol that you want to execute the command on.
+4. Click the `Run All` button to execute the command on all selected assets. Or click the `Run` button to execute the command on a single asset.
+
+## API
+
+Casvisor provides an API for executing commands. The API is as follows:
+
+```shell
+Get /api/get-exec-output
+Params:
+- id: The id ( owner/name ) of the command
+```
+
+Response:
+
+```json
+{
+    "code": 200,
+    "msg": "success",
+    "data": {
+        "<asset name1>": "output",
+        "<asset name2>": "output"
+    }
+}
+```

sidebars.js

@@ -38,5 +38,13 @@ module.exports = {
         "asset/intranet",
       ],
     },
+    {
+      type: "category",
+      label: "Commands",
+      link: {type: "generated-index"},
+      items: [
+        "command/command",
+      ],
+    },
   ],
 };