multiselect WORKING! And added new interface in create-element

src/components/create-element/create-element.interface.ts

@@ -0,0 +1,8 @@
+import { ICgSelect } from '../../interfaces/cg-select.interface';
+
+export interface IcreateBreadCrumb {
+  element: Element | null;
+  option: ICgSelect;
+  indexes: number[];
+  selectedItems: string[];
+}