Feature: Added the customer module to list / edit customers. This is needed to add the customer discount functionality

bookie/src/app/guest-book/guest-book-detail/guest-book-detail.component.ts

@@ -10,7 +10,6 @@ import { Customer } from '../customer';
 import { GuestBook } from '../guest-book';
 import { GuestBookService } from '../guest-book.service';
 
-
 @Component({
   selector: 'app-guest-book-detail',
   templateUrl: './guest-book-detail.component.html',