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/define_literal.hpp

@@ -0,0 +1,29 @@
+#ifndef RFL_INTERNAL_DEFINELITERAL_HPP_
+#define RFL_INTERNAL_DEFINELITERAL_HPP_
+
+#include "../Literal.hpp"
+
+namespace rfl {
+namespace internal {
+
+/// Allows you to combine several literals.
+template <class... LiteralTypes>
+struct define_literal;
+
+/// General case
+template <StringLiteral... _content1, StringLiteral... _content2, class... Tail>
+struct define_literal<Literal<_content1...>, Literal<_content2...>, Tail...> {
+    using type = typename define_literal<Literal<_content1..., _content2...>,
+                                         Tail...>::type;
+};
+
+/// Special case - only a single literal is left
+template <StringLiteral... _content>
+struct define_literal<Literal<_content...>> {
+    using type = Literal<_content...>;
+};
+
+}  // namespace internal
+}  // namespace rfl
+
+#endif