updated readme
updated readme

marekgoczol/angular-fcsa-number,marekgoczol/angular-fcsa-number,loansolutionsph/angular-fcsa-number,benelliott/angular-fcsa-number,gergderkson/angular-fcsa-number,gergderkson/angular-fcsa-number,loansolutionsph/angular-fcsa-number,FCSAmerica/angular-fcsa-number,FCSAmerica/angular-fcsa-number,benelliott/angular-fcsa-number