fix(package.json): Fix location of main
fix(package.json): Fix location of main

paradox41/angular-chartist.js,demokracie21/angular-chartist.js,paradox41/angular-chartist.js,TomNeyland/ng-chartist.js,willsoto/angular-chartist.js,TomNeyland/ng-chartist.js,demokracie21/angular-chartist.js,willsoto/angular-chartist.js