feat: view, create, edit, delete account number preferences (#381)

- Add account-number-preferences
- Add create-account-number-preference
- Add edit-account-number-preference
- Add view-account-number-preference

Fixes: #382

src/app/system/account-number-preferences/account-number-preferences.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { AccountNumberPreferencesComponent } from './account-number-preferences.component';
+
+describe('AccountNumberPreferencesComponent', () => {
+  let component: AccountNumberPreferencesComponent;
+  let fixture: ComponentFixture<AccountNumberPreferencesComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ AccountNumberPreferencesComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(AccountNumberPreferencesComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});