Reordered steps of checkout step howto
Reordered steps of checkout step howto

Also fixed typo saveNewStepData => saveNewStep
DivanteLtd/vue-storefront,DivanteLtd/vue-storefront,DivanteLtd/vue-storefront,pkarw/vue-storefront,pkarw/vue-storefront,DivanteLtd/vue-storefront,pkarw/vue-storefront,pkarw/vue-storefront