<card centered>
  <card-header avatar="github-avatar">
    <card-header-title>Github Commits</card-header-title>
    <card-header-subtitle>Search</card-header-subtitle>
  </card-header>
  <github-search-form (onSubmit)="search($event)"></github-search-form>
  <github-search-result>
    <commits [commits]="commits$ | async"></commits>
    <failure [failures]="failures"></failure>
  </github-search-result>
</card>