fix(@angular/cli): add missing dev-server `headers` option in IDE schema
fix(@angular/cli): add missing dev-server `headers` option in IDE schema

ocombe/angular-cli,ocombe/angular-cli,Brocco/angular-cli,clydin/angular-cli,ocombe/angular-cli,Brocco/angular-cli,catull/angular-cli,angular/angular-cli,clydin/angular-cli,geofffilippi/angular-cli,Brocco/angular-cli,angular/angular-cli,catull/angular-cli,angular/angular-cli,angular/angular-cli,geofffilippi/angular-cli,Brocco/angular-cli,ocombe/angular-cli,clydin/angular-cli,catull/angular-cli,catull/angular-cli,geofffilippi/angular-cli,Brocco/angular-cli,geofffilippi/angular-cli,ocombe/angular-cli,clydin/angular-cli