enable :infer-externs :auto by default
enable :infer-externs :auto by default

users can always opt out by setting

   :compiler-options {:infer-externs true}

or false. true just doesn't warn unless *warn-on-infer* is set.

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