message: chore(docs): remove usage of ng2-bootstrap/ng2-bootstrap Deprecated
  New version of angular-cli displays deprecated warning:
  ng2-bootstrap.js: 5
  DEPRECATED: please replace import of `ng2-bootstrap/ng2-bootstrap` with `ng2-bootstrap`
diff: @@ -24,7 +24,7 @@ ng serve
  - open `src/app/app.module.ts` and add
  ```typescript
  -import { AlertModule } from 'ng2-bootstrap/ng2-bootstrap';
  +import { AlertModule } from 'ng2-bootstrap';
  ...
  @NgModule({
  