Bump to version 3.0.0

Printing done on:
 Cashier Report
 Discount Report
 Sale Report

bookie/src/app/discount-report/discount-report.component.ts

@@ -3,10 +3,12 @@ import { FormBuilder, FormGroup } from '@angular/forms';
 import { ActivatedRoute, Router } from '@angular/router';
 import * as moment from 'moment';
 
+import { ToasterService } from '../core/toaster.service';
 import { ToCsvService } from '../shared/to-csv.service';
 
 import { DiscountReport } from './discount-report';
 import { DiscountReportDataSource } from './discount-report-datasource';
+import { DiscountReportService } from './discount-report.service';
 
 @Component({
   selector: 'app-discount-report',
@@ -26,6 +28,8 @@ export class DiscountReportComponent implements OnInit {
     private router: Router,
     private fb: FormBuilder,
     private toCsv: ToCsvService,
+    private toaster: ToasterService,
+    private ser: DiscountReportService,
   ) {
     this.createForm();
   }
@@ -67,6 +71,17 @@ export class DiscountReportComponent implements OnInit {
     };
   }
 
+  print() {
+    this.ser.print(this.info.startDate, this.info.finishDate).subscribe(
+      () => {
+        this.toaster.show('', 'Successfully Printed');
+      },
+      (error) => {
+        this.toaster.show('Error', error.error);
+      },
+    );
+  }
+
   exportCsv() {
     const headers = {
       Name: 'name',