chore: add zsh completion

install:

```sh
install -m644 ./install/shell-completion/dae.zsh /usr/share/zsh/site-functions/_dae
```

Signed-off-by: ston <ston.jia@qq.com>

install/shell-completion/dae.zsh

@@ -0,0 +1,84 @@
+#compdef _dae dae
+
+_dae() {
+	local line
+
+	_arguments -C \
+		"-h[help for dae]" \
+		"--help[help for dae]" \
+		"-v[version for dae]" \
+		"--version[version for dae]" \
+		"1: :(export help honk reload run suspend validate)" \
+		"*::arg:->args"
+
+	case $line[1] in
+	export)
+		_dae_export
+		;;
+	help)
+		_dae_help
+		;;
+	reload)
+		_dae_reload
+		;;
+	run)
+		_dae_run
+		;;
+	suspend)
+		_dae_suspend
+		;;
+	validate)
+		_dae_validate
+		;;
+	esac
+
+}
+
+_dae_export() {
+	_arguments -C \
+		"-h[help for export]" \
+		"--help[help for export]" \
+		"1: :(outline)"
+}
+
+_dae_help() {
+	_arguments -C \
+		"-h[help for help]" \
+		"--help[help for help]" \
+		"1: :(export help honk reload run suspend validate)"
+}
+
+_dae_reload() {
+	_arguments -C \
+		"-h[help for reload]" \
+		"--help[help for reload]" \
+		"::pid:($(ps -A | awk '{print $1}'))"
+}
+
+_dae_suspend() {
+	_arguments -C \
+		"-h[help for suspend]" \
+		"--help[help for suspend]" \
+		"::pid:($(ps -A | awk '{print $1}'))"
+}
+
+_dae_run() {
+	_arguments -C \
+		"-c[Config file of dae]:filename:_files" \
+		"--config[Config file of dae]:filename:_files" \
+		"--disable-pidfile[Not generate /var/run/dae.pid]" \
+		"--disable-timestamp[Disable timestamp]" \
+		"--logfile[Log file to write]:filename:_files" \
+		"--logfile-maxbackups[The maximum number of old log files to retain]" \
+		"--logfile-maxsize[The maximum size in megabytes of the log file before it gets rotated]" \
+		"-h[help for run]" \
+		"--help[help for run]"
+}
+
+_dae_validate() {
+	_arguments -C \
+		"-c[Config file of dae]:filename:_files" \
+		"--config[Config file of dae]:filename:_files" \
+		"-h[help for validate]" \
+		"--help[help for validate]"
+}