feat(reflect-cpp): Switched from glaze -> reflect cpp

A bug was discovered in glaze which prevented valid toml output. We have
switched to toml++ and reflect-cpp. The interface has remained the same
so this should not break any code

build-config/reflect-cpp/include/rfl/internal/Fields.hpp

@@ -0,0 +1,23 @@
+#ifndef RFL_INTERNAL_FIELDS_HPP_
+#define RFL_INTERNAL_FIELDS_HPP_
+
+#include <array>
+#include <cstdint>
+#include <string>
+#include <string_view>
+#include <unordered_map>
+
+namespace rfl {
+namespace internal {
+
+template <int N>
+struct Fields {
+  std::array<std::string, N> names_;
+
+  std::unordered_map<std::string_view, std::int16_t> indices_;
+};
+
+}  // namespace internal
+}  // namespace rfl
+
+#endif