Created a devices service and moved the CDashDisplay service to the sahdow realm

devices/cdashdisplay/layoutManager.go

@@ -0,0 +1,25 @@
+package cdashdisplay
+
+import "fmt"
+
+type LayoutTree struct {
+	Windows map[int16]*DesktopUIWindow `yaml:"Windows"`
+}
+
+func NewLayoutTree() *LayoutTree {
+	return &LayoutTree{
+		Windows: make(map[int16]*DesktopUIWindow),
+	}
+}
+
+func (l *LayoutTree) AddWindow(w *DesktopUIWindow) {
+	pLogger.Debug(fmt.Sprintf("adding window '%d' - %v", w.UIData.IDX))
+	l.Windows[w.UIData.IDX] = w
+	pLogger.Debug(fmt.Sprintf("new map - %v", l.Windows))
+}
+
+func (l *LayoutTree) RemoveWindow(idx int16) {
+	pLogger.Debug(fmt.Sprintf("removing window '%d'", idx))
+	delete(l.Windows, idx)
+	pLogger.Debug(fmt.Sprintf("new map - %v", l.Windows))
+}