Snapshot of JC3636W518EN kit before demo folder cleanup

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

2-Program Example/Demo_Arduino/library/lvgl/tests/makefile/test.c

@@ -0,0 +1,9 @@
+#if LV_BUILD_TEST
+#include <stdio.h>
+#include "lvgl/lvgl.h"
+
+int main(void) {
+    lv_init();
+    return 0;
+}
+#endif