Add the ability to enumerate supported devices

include/icsneo/device/devicefinder.h

@@ -2,6 +2,7 @@
 #define __DEVICEFINDER_H_
 
 #include "icsneo/device/device.h"
+#include "icsneo/device/devicetype.h"
 #include <vector>
 #include <memory>
 
@@ -10,6 +11,7 @@ namespace icsneo {
 class DeviceFinder {
 public:
 	static std::vector<std::shared_ptr<Device>> FindAll();
+	static const std::vector<DeviceType>& GetSupportedDevices();
 };
 
 }