add flag to toggle tracy (disabled for now)

include/tracy.hpp

@@ -1,6 +1,10 @@
 #ifndef __TRACY_HPP_
 #define __TRACY_HPP_
 
+#include "config.hpp"
+
+#ifdef TRACY
+
 #include <cstddef>
 
 void *operator new(std::size_t count);
@@ -8,3 +12,5 @@ void operator delete(void *ptr) noexcept;
 void operator delete(void *ptr, std::size_t count) noexcept;
 
 #endif
+
+#endif