add constructor

src/simplified/xf/core/timeout.cpp

@@ -1,3 +1,9 @@
 #include "xf/timeout.h"
 
 // TODO: Implement code for XFTimeout class
+
+XFTimeout::XFTimeout(int id, int interval, interface::XFBehavior *pBehavior):
+    XFEvent(XFEventType::Timeout, id), interval_(interval) {
+
+
+}