Prettier code cleanup for .ts files

See #182

src-ui/src/app/directives/sortable.directive.spec.ts

@@ -1,8 +1,8 @@
-import { SortableDirective } from './sortable.directive';
+import { SortableDirective } from './sortable.directive'
 
 describe('SortableDirective', () => {
   it('should create an instance', () => {
-    const directive = new SortableDirective();
-    expect(directive).toBeTruthy();
-  });
-});
+    const directive = new SortableDirective()
+    expect(directive).toBeTruthy()
+  })
+})