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

devices/device.go

@@ -0,0 +1,9 @@
+// Package devices simply defines what a device should have
+// and some utils if necessary
+package devices
+
+import "esdi/telemetry"
+
+type Device interface {
+	SendData(*telemetry.TelemetryData)
+}