fix(lib): add missing information to library's package.json.
fix(lib): add missing information to library's package.json.

willsoto/ng-chartist,willsoto/angular2-chartist,paradox41/angular2-chartist,paradox41/angular2-chartist,willsoto/angular2-chartist,paradox41/angular2-chartist,willsoto/angular2-chartist,willsoto/ng-chartist,willsoto/ng-chartist