You need boot-clj.
Reagent, because you want to see stuff quickly: https://reagent-project.github.io/
lein new tenzing your-app +reagent cd your-app boot dev
nREPL server started on port 63518 on host 0.0.0.0. Should start up on port 3000. If you change something in the .cljs file, it should update live in your browser.