C++ conversion (#80)

Converted project to C++

Boards/WaveshareS3Touch/waveshare_s3_touch.cpp

@@ -0,0 +1,15 @@
+#include "waveshare_s3_touch.h"
+
+#include "lvgl_i.h"
+
+bool ws3t_bootstrap();
+
+extern const tt::hal::Configuration waveshare_s3_touch = {
+    .bootstrap = &ws3t_bootstrap,
+    .init_graphics = &ws3t_init_lvgl,
+    .display = {
+        .set_backlight_duty = nullptr // TODO: This requires implementing the CH422G IO expander
+    },
+    .sdcard = nullptr,
+    .power = nullptr
+};