add config option to keep import as is for :esm
add config option to keep import as is for :esm

similar to :keep-as-require but emits actual esm import not require

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