fix(@angular/cli): use add instead of install for yarn in npm-install
fix(@angular/cli): use add instead of install for yarn in npm-install

clydin/angular-cli,angular/angular-cli,beeman/angular-cli,manekinekko/angular-cli,catull/angular-cli,ocombe/angular-cli,filipesilva/angular-cli,beeman/angular-cli,catull/angular-cli,manekinekko/angular-cli,hansl/angular-cli,geofffilippi/angular-cli,angular/angular-cli,nickroberts/angular-cli,clydin/angular-cli,filipesilva/angular-cli,filipesilva/angular-cli,hansl/angular-cli,manekinekko/angular-cli,maxime1992/angular-cli,maxime1992/angular-cli,beeman/angular-cli,hansl/angular-cli,DevIntent/angular-cli,clydin/angular-cli,hansl/angular-cli,DevIntent/angular-cli,catull/angular-cli,clydin/angular-cli,DevIntent/angular-cli,ocombe/angular-cli,Brocco/angular-cli,Brocco/angular-cli,Brocco/angular-cli,filipesilva/angular-cli,Brocco/angular-cli,nickroberts/angular-cli,ocombe/angular-cli,maxime1992/angular-cli,angular/angular-cli,nickroberts/angular-cli,ocombe/angular-cli,geofffilippi/angular-cli,ocombe/angular-cli,DevIntent/angular-cli,beeman/angular-cli,geofffilippi/angular-cli,Brocco/angular-cli,catull/angular-cli,DevIntent/angular-cli,geofffilippi/angular-cli,angular/angular-cli