docs/quickstart: add note about workon
docs/quickstart: add note about workon

openbudgets/openbudgets,shaib/openbudgets,moshe742/openbudgets,openbudgets/openbudgets,openbudgets/openbudgets,shaib/openbudgets,pwalsh/openbudgets,pwalsh/openbudgets,moshe742/openbudgets,pwalsh/openbudgets