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/MetaField.hpp

@@ -0,0 +1,32 @@
+#ifndef RFL_METAFIELD_HPP_
+#define RFL_METAFIELD_HPP_
+
+#include <string>
+
+namespace rfl {
+
+/// Contains meta-information about a field in a struct.
+class MetaField {
+ public:
+  MetaField(const std::string& _name, const std::string& _type)
+      : name_(_name), type_(_type) {}
+
+  ~MetaField() = default;
+
+  /// The name of the field we describe.
+  const std::string& name() const { return name_; };
+
+  /// The type of the field we describe.
+  const std::string& type() const { return type_; };
+
+ private:
+  /// The name of the field we describe.
+  std::string name_;
+
+  /// The type of the field we describe.
+  std::string type_;
+};
+
+}  // namespace rfl
+
+#endif  // RFL_TAGGEDUNION_HPP_