add hints for commit message
add hints for commit message

zellerdev/jabref,Siedlerchr/jabref,sauliusg/jabref,tobiasdiez/jabref,zellerdev/jabref,JabRef/jabref,Siedlerchr/jabref,Siedlerchr/jabref,JabRef/jabref,zellerdev/jabref,zellerdev/jabref,tobiasdiez/jabref,sauliusg/jabref,JabRef/jabref,sauliusg/jabref,tobiasdiez/jabref,zellerdev/jabref,tobiasdiez/jabref,JabRef/jabref,Siedlerchr/jabref,sauliusg/jabref