message: chore: fix demo page path
diff: import { Component, OnInit } from '@angular/core';
  import { FormBuilder, FormGroup } from '@angular/forms';
  -import { environment } from '../../../environments/environment';
  @Component({
  selector: 'forms-with-options-example',
  @@ -9,7 +8,7 @@ import { environment } from '../../../environments/environment';
  })
  export class FormsWithOptionsExampleComponent implements OnInit {
  - basePath = environment.production ? '/ng-select' : '';
  + basePath;
  heroForm: FormGroup;
  constructor(
  @@ -17,6 +16,7 @@ export class FormsWithOptionsExampleComponent implements OnInit {
  }
  ngOnInit() {
  + this.basePath = window.location.host.includes('localhost') ? '' : '/ng-select';
  this.heroForm = this.fb.group({
  heroId: 'batman',
  agree: null
  