chore(ngPrefix): add default value for 'ngPrefix' option
chore(ngPrefix): add default value for 'ngPrefix' option

tinesoft/generator-ngx-library,tinesoft/generator-ng-plugin,tinesoft/generator-ngx-library,tinesoft/generator-ng-plugin,tinesoft/generator-ngx-library,tinesoft/generator-ng-plugin,tinesoft/generator-ngx-library