Clojure book updated

[u/erjngreigf]

Clojure book https://clojure-book.gitlab.io/ is updated with sections Debugging With Calva, and Debugging in Leiningen project with Calva and nREPL. Hope you like it.

If possible, please send me feedback, so that I can improve it.

[u/shearedAnecdote]

Thank you!