readme: draft out the initial cli interface
readme: draft out the initial cli interface

yannick/h2o,yannick/h2o,yannick/h2o,devnexen/h2o,h2o/h2o,cwyang/h2o,cwyang/h2o,h2o/h2o,h2o/h2o,cwyang/h2o,yannick/h2o,cwyang/h2o,h2o/h2o,yannick/h2o,devnexen/h2o,devnexen/h2o,h2o/h2o,devnexen/h2o,cwyang/h2o,h2o/h2o,cwyang/h2o,devnexen/h2o,h2o/h2o,devnexen/h2o,yannick/h2o,devnexen/h2o,yannick/h2o,devnexen/h2o,yannick/h2o,h2o/h2o,cwyang/h2o,yannick/h2o,h2o/h2o,cwyang/h2o,devnexen/h2o