ensure REPL sources are written to disk
ensure REPL sources are written to disk

could otherwise end up never writing files to disk if they
weren't included in the build.

fixes #687

thheller/shadow-cljs,thheller/shadow-cljs,thheller/shadow-devtools,thheller/shadow-devtools,thheller/shadow-cljs,thheller/shadow-devtools,thheller/shadow-devtools,thheller/shadow-cljs