Category and posts tree for information and documentation sites

Prerequisites • I have searched for similar feature requests in both open and closed discussions and cannot find an existing request. • I have verified that the feature is still missing from the latest stable versions of Elementor or Elementor Pro. What problem is your feature request going to solve? Please describe.. When creating a website that provides content, like a user manual, information source, any sort of documentation a really good category and posts tree widget makes or breaks the usefulness of the site. Describe the solution you'd like. I want WP-dTree by Ulf Benjaminsso implemented in elementor. He's discontinued it and it's no longer available to new sites.  It's the perfect solution, I've used it for years across lots of sites and users love it. It would…