[client] add ControlBus

src/client/haxe/ru/m/control/IControlBus.hx

@@ -0,0 +1,10 @@
+package ru.m.control;
+
+import haxework.signal.Signal;
+
+interface IControlBus {
+    public var signal(default, null):Signal3<DeviceType, DeviceAction, Bool>;
+
+    public function connect(device:IControlDevice):Void;
+    public function disconnect(device:IControlDevice):Void;
+}