add contacts

src/app/services/http-error-handle.service.ts

@@ -1,7 +1,7 @@
 import { Injectable } from '@angular/core';
 import { ToastService } from 'src/app/services/toast.service';
 import { BackgroundService } from 'src/app/services/background.service';
-
+import { HttpErrorResponse } from '@angular/common/http';
 @Injectable({
   providedIn: 'root'
 })
@@ -12,7 +12,7 @@ export class HttpErrorHandle {
     private backgroundService: BackgroundService
   ) { }
 
-  async httpStatusHandle(error) {
+  async httpStatusHandle(error: any) {
     switch (error.status
     ) {
       case 0: