feat: add saving-deposit and withdrawal page (#389)

- Add Savings Module.
- Add saving-account-actions component.
- Add savings-account-transactions component.
- Add savings-routing.module.ts
- Add savings-transaction-template.resolver.ts

Fixes: #249

src/app/savings/savings.module.spec.ts

@@ -0,0 +1,13 @@
+import { SavingsModule } from './savings.module';
+
+describe('SavingsModule', () => {
+  let savingsModule: SavingsModule;
+
+  beforeEach(() => {
+    savingsModule = new SavingsModule();
+  });
+
+  it('should create an instance', () => {
+    expect(savingsModule).toBeTruthy();
+  });
+});