C++ conversion (#80)

Converted project to C++

Boards/WaveshareS3Touch/lvgl.cpp

@@ -0,0 +1,18 @@
+#include "lvgl_i.h"
+
+#include "display_i.h"
+#include "touch_i.h"
+#include "Ui/LvglSync.h"
+
+bool ws3t_init_lvgl() {
+    tt::lvgl::sync_set(&ws3t_display_lock, &ws3t_display_unlock);
+
+    lv_display_t* display = ws3t_display_create();
+    if (display == nullptr) {
+        return false;
+    }
+
+    ws3t_touch_init(display);
+
+    return true;
+}