HAL renaming & relocation (#215)

Implemented more consistent naming:
- Moved all HAL devices into their own namespace (and related folder)
- Post-fixed all HAL device names with "Device"

Boards/LilygoTdeck/Source/hal/TdeckSdCard.h

@@ -1,7 +1,7 @@
 #pragma once
 
-#include <Tactility/hal/SdCard.h>
+#include "Tactility/hal/sdcard/SdCardDevice.h"
 
-using namespace tt::hal;
+using tt::hal::sdcard::SdCardDevice;
 
-std::shared_ptr<SdCard> createTdeckSdCard();
+std::shared_ptr<SdCardDevice> createTdeckSdCard();