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.
No move to this, which will give you a better idea of how all these pieces fit together: github.com/magomimmo/modern-cljs/blob/master/doc/second-edition/tutorial-01.md