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

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

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+# uc caddy deploy
+
+Deploy or upgrade Caddy reverse proxy across all machines in the cluster.
+
+## Synopsis
+
+Deploy or upgrade Caddy reverse proxy across all machines in the cluster.
+A rolling update is performed when updating existing containers to minimise disruption.
+
+```
+uc caddy deploy [flags]
+```
+
+## Options
+
+```
+      --caddyfile string   Path to a custom global Caddy config (Caddyfile) that will be prepended to the auto-generated Caddy config.
+  -c, --context string     Name of the cluster context to deploy to. (default is the current context)
+  -h, --help               help for deploy
+      --image string       Caddy Docker image to deploy. (default caddy:LATEST_VERSION)
+  -m, --machine strings    Machine names to deploy to. Can be specified multiple times or as a comma-separated list of machine names. (default is all machines)
+```
+
+## 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 caddy](uc_caddy.md)	 - Manage Caddy reverse proxy service.
+