feat: added data table for transactions of saving account (#1844)

* feat: added data table for transactions of saving account

Now we can add the data table for transactions entity type of saving account and also we can edit,delete and create the datatable.

Fixes: #1726

* made changes in the comments

src/app/savings/common-resolvers/transaction-datatable.resolver.ts

@@ -0,0 +1,28 @@
+// Angular Imports
+import { Injectable } from '@angular/core';
+import { Resolve, ActivatedRouteSnapshot } from '@angular/router';
+
+// rxjs Imports 
+import { Observable, of } from 'rxjs';
+
+// Custom Service
+import { SavingsService } from '../savings.service';
+
+@Injectable()
+export class TransactionDatatableResolver implements Resolve<Object> {
+  /**
+   * 
+   * @param {SavingsService} savingsService 
+   */
+  constructor(private savingsService: SavingsService) { }
+  /**
+   * Returns the Transactions Account's Datatable data.
+   * @returns {Observable<any>}
+   */
+
+  resolve(route: ActivatedRouteSnapshot): Observable<any> {
+    const accountId = route.parent.parent.paramMap.get('id');
+    const datatableName = route.paramMap.get('datatableName');
+    return this.savingsService.getSavingsTransactionDatatable(accountId, datatableName);
+  }
+}