Welcome to the forum.
I don't believe it can be done. RH was designed to use HTM.
From what I have seen, what you want to do has not been successful
for anyone.
Out of curiosity, why? If it can be done, it's a lot of work
for something that will surely make no difference to the end user.
Help others by clicking Correct Answer if the question is answered. Found the answer elsewhere? Share it here. "Upvote" is for useful posts.