Implement open() and close() for Usb class, added a lot of TODO's

inc/Usb.hpp

@@ -1,8 +1,6 @@
 #include "IUsb.hpp"
 #include "UsbTypes.hpp"
 
-#include <libusb-1.0/libusb.h>
-
 #pragma once
 
 namespace ptprnt::driver {
@@ -13,9 +11,12 @@ class Usb : public IUsb {
     ~Usb() override;
 
     std::optional<std::vector<UsbDevice>> getDevices() override;
+    std::optional<UsbDevice> open(UsbDevice) override;
+    bool close(UsbDevice) override;
 
    private:
+    // TODO: This should be a std::map with handles & locking on access
     std::vector<UsbDevice> mDevices{};
 };
 
-}  // namespace ptprnt::driver
+}  // namespace ptprnt::driver