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/common-resolvers/saving-transaction-template.resolver.ts

@@ -0,0 +1,30 @@
+/** Angular Imports */
+import { Injectable } from '@angular/core';
+import { Resolve, ActivatedRouteSnapshot } from '@angular/router';
+
+/** rxjs Imports */
+import { Observable } from 'rxjs';
+
+/** Custom Services */
+import { SavingsService } from '../savings.service';
+
+/**
+ * Savings Account Transaction Template data resolver.
+ */
+@Injectable()
+export class SavingAccountTransactionTemplateResolver implements Resolve<Object> {
+
+    /**
+     * @param {SavingsService} savingsService Savings service.
+     */
+    constructor(private savingsService: SavingsService) { }
+
+    /**
+     * Returns the Savings Account Transaction Template.
+     * @returns {Observable<any>}
+     */
+    resolve(route: ActivatedRouteSnapshot): Observable<any> {
+        const savingAccountId = route.paramMap.get('savingAccountId');
+        return this.savingsService.getSavingsTransactionTemplateResource(savingAccountId);
+    }
+}