applied platformio structure

lib/tools/operator.cpp

@@ -0,0 +1,22 @@
+#include <memory>
+#include <esp_heap_caps.h>
+
+void* operator new(std::size_t count) { 
+	return heap_caps_malloc(count, MALLOC_CAP_SPIRAM); 
+}
+
+void operator delete(void* ptr) noexcept { 
+	if (ptr) free(ptr); 
+}
+
+/*
+// C++17 only
+void* operator new (std::size_t count, std::align_val_t alignment) { 
+	return heap_caps_malloc(count, MALLOC_CAP_SPIRAM); 
+} 
+
+// C++17 only
+void operator delete(void* ptr, std::align_val_t alignment) noexcept { 
+	if (ptr) free(ptr); 
+}
+*/