Merge pull request #360 from youda97/modal-doc

Update(modal): documentation

Author: zvonimirfras

src/modal/modal.component.ts

@@ -53,10 +53,10 @@ import { cycleTabs, getFocusElementList } from "./../common/tab.service";
  * 		</ibm-modal>`,
  * 	styleUrls: ["./sample-modal.component.scss"]
  * })
- * export class SampleModal {
- * 	closeModal: any; // placeholder for the closeModal method provided by the Modal decorator
+ * export class SampleModal extends BaseModal {
  * 	modalText: string;
  * 	constructor(protected injector: Injector) {
+ * 		super();
  * 		this.modalText = this.injector.get("modalText");
  * 	}
  * }