discourse/app/assets/javascripts/admin/addon/templates/plugins-index.hbs

<div class="admin-plugins-list-container">

  <AdminPageHeader
    @titleLabel="admin.plugins.installed"
    @descriptionLabel="admin.plugins.description"
    @learnMoreUrl="https://www.discourse.org/plugins"
  >
    <:breadcrumbs>
      <DBreadcrumbsItem
        @path="/admin/plugins"
        @label={{i18n "admin.plugins.title"}}
      />
    </:breadcrumbs>
    <:tabs>
      <NavItem @route="adminPlugins.index" @label="admin.plugins.title" />
      {{#each this.adminRoutes as |route|}}
        {{#if route.use_new_show_route}}
          <NavItem
            @route={{route.full_location}}
            @label={{route.label}}
            @routeParam={{route.location}}
            @class="admin-plugin-tab-nav-item"
            data-plugin-nav-tab-id={{route.plugin_id}}
          />
        {{else}}
          <NavItem
            @route={{route.full_location}}
            @label={{route.label}}
            @class="admin-plugin-tab-nav-item"
            data-plugin-nav-tab-id={{route.plugin_id}}
          />
        {{/if}}
      {{/each}}
    </:tabs>
  </AdminPageHeader>

  <div class="alert alert-info -top-margin admin-plugins-howto">
    {{dIcon "circle-info"}}
    <a href="https://meta.discourse.org/t/install-a-plugin/19157">
      {{i18n "admin.plugins.howto"}}
    </a>
  </div>

  {{#if this.model.length}}
    <AdminPluginsList @plugins={{this.model}} />
  {{else}}
    <p>{{i18n "admin.plugins.none_installed"}}</p>
  {{/if}}

  <span>
    <PluginOutlet
      @name="admin-below-plugins-index"
      @connectorTagName="div"
      @outletArgs={{hash model=this.model}}
    />
  </span>
</div>