add :devtools {:autobuild false} config option
add :devtools {:autobuild false} config option

fixes #590

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