fix(mounting-storage): run mount unit after formatting unit
fix(mounting-storage): run mount unit after formatting unit

marineam/coreos-docs,mjg59/docs,hkjn/docs-1,endocode/coreos-docs,jonboulle/docs,atxwebs/docs,robszumski/docs,wli6/docs,joshix/docs,bq-xiao/docs,jdloft/docs,iankronquist/docs,ionave/docs,ksmaheshkumar/docs-2,skynet/docs,mischief/coreos-docs,michelleN/docs,coreos/docs