http://notes.eatonphil.com/starting-a-minimal-common-lisp-project.html
https://www.darkchestnut.com/2017/getting-started-with-common-lisp/
https://xach.livejournal.com/278047.html
https://www.reddit.com/r/lisp/comments/8j9ing/how_do_you_go_about_starting_a_common_lisp/