review rewrite-clj to generate template files

[practicalli-johnny]

Minimise duplicate code and configuration between template option variants by using a base set of code and configuration files that are re-written using rewrite-clj to add or change code and config that makes up the new project

• https://github.com/clj-commons/rewrite-clj - library to transform Clojure and Edn
• https://github.com/borkdude/rewrite-edn specific end functions on top of rewrite-clj

References:
https://clojurians.slack.com/archives/C019ZQSPYG6/p1681126973615799

Related #3