add a converter to the CSV format for everypolitician.org
add a converter to the CSV format for everypolitician.org

see https://github.com/everypolitician/everypolitician-data/issues/694

alizizohaker/congress-legislators,unitedstates/congress-legislators,hugovk/congress-legislators,YOTOV-LIMITED/congress-legislators,mrumsky/congress-legislators,mrumsky/congress-legislators,unitedstates/congress-legislators,iamLucia/congress-legislators,YOTOV-LIMITED/congress-legislators,hugovk/congress-legislators,iamLucia/congress-legislators,Ukazziha/congress-legislators,alizizohaker/congress-legislators,Ukazziha/congress-legislators