refactored services and expense list

src/app/components/add-expense/add-expense.component.ts

@@ -0,0 +1,14 @@
+import { Component } from '@angular/core';
+import {CardComponent} from '../card/card.component';
+
+@Component({
+  selector: 'app-add-expense',
+  imports: [
+    CardComponent
+  ],
+  templateUrl: './add-expense.component.html',
+  styleUrl: './add-expense.component.scss',
+})
+export class AddExpenseComponent {
+
+}