feat(label): append with an asterisk when required (#523)
feat(label): append with an asterisk when required (#523)


formly-js/ng-formly,ngx-formly/ngx-formly,ngx-formly/ngx-formly,formly-js/ng2-formly,ngx-formly/ngx-formly,formly-js/ng2-formly,formly-js/ng2-formly,ngx-formly/ngx-formly,formly-js/ng-formly