Add makefile
Add makefile

jensarps/IDBWrapper,kilbot/IDBWrapper,mizchi/idb-wrapper-promisify,jensarps/IDBWrapper,rubenstolk/IDBWrapper,jayfunk/IDBWrapper,safetychanger/IDBWrapper,jayfunk/IDBWrapper,safetychanger/IDBWrapper,mizchi/idb-wrapper-promisify,rubenstolk/IDBWrapper,GerHobbelt/IDBWrapper,kilbot/IDBWrapper