Add docs for autocompletion

Signed-off-by: knrt10 <kautilya@kinvolk.io>

docs/cli/lokoctl.md

@@ -21,6 +21,7 @@ Manage Lokomotive clusters
 ### SEE ALSO
 
 * [lokoctl cluster](lokoctl_cluster.md)	 - Manage a cluster
+* [lokoctl completion](lokoctl_completion.md)	 - Generate autocompletion script for the specified shell
 * [lokoctl component](lokoctl_component.md)	 - Manage components
 * [lokoctl health](lokoctl_health.md)	 - Get the health of a cluster
 * [lokoctl version](lokoctl_version.md)	 - Print version information

docs/cli/lokoctl_completion.md

@@ -0,0 +1,33 @@
+## lokoctl completion
+
+Generate autocompletion script for the specified shell
+
+### Synopsis
+
+
+Generate autocompletion script for lokoctl for the specified shell (bash or zsh).
+
+
+### Options
+
+```
+  -h, --help   help for completion
+```
+
+### Options inherited from parent commands
+
+```
+      --kubeconfig-file string   Path to a kubeconfig file. If empty, the following precedence order is used:
+                                   1. Cluster asset dir when a lokocfg file is present in the current directory.
+                                   2. KUBECONFIG environment variable.
+                                   3. ~/.kube/config file.
+      --lokocfg string           Path to lokocfg directory or file (default "./")
+      --lokocfg-vars string      Path to lokocfg.vars file (default "./lokocfg.vars")
+```
+
+### SEE ALSO
+
+* [lokoctl](lokoctl.md)	 - Manage Lokomotive clusters
+* [lokoctl completion bash](lokoctl_completion_bash.md)	 - Generate autocompletion script for bash
+* [lokoctl completion zsh](lokoctl_completion_zsh.md)	 - Generate autocompletion script for zsh
+

docs/cli/lokoctl_completion_bash.md

@@ -0,0 +1,41 @@
+## lokoctl completion bash
+
+Generate autocompletion script for bash
+
+### Synopsis
+
+
+Generate the autocompletion script for lokoctl for the bash shell. 
+
+To load completions in your current shell session: 
+`$ source <(lokoctl completion bash)` 
+
+To load completions for every new session, execute once: 
+Linux: `$ lokoctl completion bash > /etc/bash_completion.d/lokoctl && exec $SHELL` 
+MacOS: `$ lokoctl completion bash > /usr/local/etc/bash_completion.d/lokoctl && exec $SHELL` 
+
+```
+lokoctl completion bash
+```
+
+### Options
+
+```
+  -h, --help   help for bash
+```
+
+### Options inherited from parent commands
+
+```
+      --kubeconfig-file string   Path to a kubeconfig file. If empty, the following precedence order is used:
+                                   1. Cluster asset dir when a lokocfg file is present in the current directory.
+                                   2. KUBECONFIG environment variable.
+                                   3. ~/.kube/config file.
+      --lokocfg string           Path to lokocfg directory or file (default "./")
+      --lokocfg-vars string      Path to lokocfg.vars file (default "./lokocfg.vars")
+```
+
+### SEE ALSO
+
+* [lokoctl completion](lokoctl_completion.md)	 - Generate autocompletion script for the specified shell
+

docs/cli/lokoctl_completion_zsh.md

@@ -0,0 +1,40 @@
+## lokoctl completion zsh
+
+Generate autocompletion script for zsh
+
+### Synopsis
+
+
+Generate the autocompletion script for lokoctl for the zsh shell. 
+
+To load completions in your current shell session: 
+`$ source <(lokoctl completion zsh)` 
+
+To load completions for every new session, execute once: 
+`$ lokoctl completion zsh > "${fpath[1]}/_lokoctl" && exec $SHELL`
+
+```
+lokoctl completion zsh
+```
+
+### Options
+
+```
+  -h, --help   help for zsh
+```
+
+### Options inherited from parent commands
+
+```
+      --kubeconfig-file string   Path to a kubeconfig file. If empty, the following precedence order is used:
+                                   1. Cluster asset dir when a lokocfg file is present in the current directory.
+                                   2. KUBECONFIG environment variable.
+                                   3. ~/.kube/config file.
+      --lokocfg string           Path to lokocfg directory or file (default "./")
+      --lokocfg-vars string      Path to lokocfg.vars file (default "./lokocfg.vars")
+```
+
+### SEE ALSO
+
+* [lokoctl completion](lokoctl_completion.md)	 - Generate autocompletion script for the specified shell
+