Add system services (#391)

* Add system services

* Fix docstring typo

asusrouter/modules/system.py

@@ -10,9 +10,20 @@ class AsusSystem(str, Enum):
     """Asus system enum."""
 
     REBOOT = "reboot"
+    RESTART_CHPASS = "restart_chpass"
+    RESTART_DNSMASQ = "restart_dnsmasq"
     RESTART_FIREWALL = "restart_firewall"
     RESTART_HTTPD = "restart_httpd"
+    RESTART_LEDS = "restart_leds"
+    RESTART_OPENVPND = "restart_openvpnd"
+    RESTART_SAMBA = "restart_samba"
+    RESTART_TIME = "restart_time"
+    RESTART_USB_IDLE = "restart_usb_idle"
+    RESTART_VPNC = "restart_vpnc"
     RESTART_WIRELESS = "restart_wireless"
+    RESTART_WGS = "restart_wgs"
+    STOP_OPENVPND = "stop_openvpnd"
+    STOP_VPNC = "stop_vpnc"
     UPDATE_CLIENTS = "update_clients"
 
 
@@ -21,9 +32,9 @@ async def set_state(
     state: AsusSystem,
     arguments: Optional[dict[str, Any]] = None,
     expect_modify: bool = False,
-    extra_params: Optional[dict[Any, Any]] = None,
+    _: Optional[dict[Any, Any]] = None,
 ) -> bool:
-    """Set the LED state."""
+    """Set the system state."""
 
     # Check if arguments are available
     if not arguments: