docs(deployment): fix base tag subfolder example (#3296)
docs(deployment): fix base tag subfolder example (#3296)

The sample url for production server is "http://www.mysite.com/mysrc/app/"
but the identified subfolder is "my/app", which doesn't match.
IdeaBlade/angular.io,angular/angular-cn,IdeaBlade/angular.io,angular/angular-cn,chalin/angular.io,angular/angular-cn,angular/angular.io,chalin/angular.io,angular/angular.io,chalin/angular.io,chalin/angular.io,IdeaBlade/angular.io,angular/angular.io,IdeaBlade/angular.io,angular/angular.io,angular/angular.io,angular/angular-cn,angular/angular-cn,chalin/angular.io,IdeaBlade/angular.io