edit application.conf to set up proxy or stub
run
./gradlew run
./gradlew runStub # stackexchange stub
test
http :8080/search tag==java tag==scala tag==kotlin
http http://api.stackexchange.com/2.2/search\?pagesize\=100\&order\=desc\&sort\=creation\&tagged\=scala\&site\=stackoverflow\&filter\=\!Tht3Tcqv9 | jq '.items[] | .is_answered' | sort | uniq -c