docs: 'uc docs' command to generate CLI reference docs

website/docs/9-cli-reference/uc_ctx_use.md

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+# uc ctx use
+
+Switch to a different cluster context.
+
+## Synopsis
+
+Switch to a different cluster context. If no context is provided, a list of available contexts will be displayed for selection.
+
+```
+uc ctx use [CONTEXT] [flags]
+```
+
+## Options
+
+```
+  -h, --help   help for use
+```
+
+## Options inherited from parent commands
+
+```
+      --connect string          Connect to a remote cluster machine without using the Uncloud configuration file.
+                                Format: [ssh://]user@host[:port] or tcp://host:port
+      --uncloud-config string   Path to the Uncloud configuration file. (default "~/.config/uncloud/config.yaml")
+```
+
+## See also
+
+* [uc ctx](uc_ctx.md)	 - Switch between different cluster contexts. Contains subcommands to manage contexts.
+