.eslintrc: updated rule to use 4 spaces, so we can eslint fix
.eslintrc: updated rule to use 4 spaces, so we can eslint fix

dternyak/React-Redux-Flask,idahu29/payment-redis,tferreira/piggydime,dom-o/hangboard-helper,dternyak/React-Redux-Flask,dom-o/hangboard-helper,tferreira/piggydime,dom-o/hangboard-helper,idahu29/payment-redis,idahu29/payment-redis,dternyak/React-Redux-Flask,tferreira/piggydime