Add tasks for all the new languages

Task/Simple-windowed-application/Phix/simple-windowed-application.phix

@@ -0,0 +1,18 @@
+include arwen.ew
+
+constant main  = create(Window,"myApp",0,0,100,100,300,200, 0)
+constant label = create(Label, "There have been no clicks yet",0,main,10,10,250,30,0)
+constant btn   = create(Button,"Click me",0,main,100,50,100,30,0)
+integer count = 0
+
+function mainHandler(integer id, integer msg, atom wParam, object lParam)
+without warning
+    if id=btn and msg=WM_COMMAND then
+        count += 1
+        setText(label,sprintf("clicked %d times",count))
+    end if
+    return 0
+end function
+setHandler(btn,routine_id("mainHandler"))
+
+WinMain(main,SW_NORMAL)