Thanks for publishing the article. Idk if my comment sounded too harsh; sorry if it did. If you're taking more unsolicited nitpicky suggestions, imo the ToC it

Thanks for publishing the article. Idk if my comment sounded too harsh; sorry if it did. If you're taking more unsolicited nitpicky suggestions, imo the ToC items on the left could use cursor:pointer and a background color change on hover.