Implement M5Stack Cardputer + minor Tactility improvements (#331)

- Implement M5Stack Cardputer: display, SD card and keyboard
- `St7789Display` now supports a "gap" configuration
- `ElfApp` has improved errors

Boards/M5stackCardputer/Source/devices/SdCard.cpp

@@ -0,0 +1,25 @@
+#include "SdCard.h"
+
+#include <Tactility/hal/sdcard/SpiSdCardDevice.h>
+
+constexpr auto SDCARD_PIN_CS = GPIO_NUM_12;
+constexpr auto LCD_PIN_CS = GPIO_NUM_37;
+
+using tt::hal::sdcard::SpiSdCardDevice;
+
+std::shared_ptr<SdCardDevice> createSdCard() {
+    auto configuration = std::make_unique<SpiSdCardDevice::Config>(
+        SDCARD_PIN_CS,
+        GPIO_NUM_NC,
+        GPIO_NUM_NC,
+        GPIO_NUM_NC,
+        SdCardDevice::MountBehaviour::AtBoot,
+        tt::hal::spi::getLock(SPI3_HOST),
+        std::vector { LCD_PIN_CS },
+        SPI3_HOST
+    );
+
+    return std::make_shared<SpiSdCardDevice>(
+        std::move(configuration)
+    );
+}