Use a Drupal menu as a social media links block

menu--social-media.html.twig

{#
/**
 * @file
 * Theme override to display a social media links from a menu.
 *
 * Available variables:
 * - menu_name: The machine name of the menu.
 * - items: A nested list of menu items. Each menu item contains:
 *   - attributes: HTML attributes for the menu item.
 *   - below: The menu item child items.
 *   - title: The menu link title.
 *   - url: The menu link url, instance of \Drupal\Core\Url
 *   - localized_options: Menu link localized options.
 */
#}
{% import _self as menus %}

{#
  We call a macro which calls itself to render the full tree.
  @see http://twig.sensiolabs.org/doc/tags/macro.html
#}
{{ menus.menu_links(items, attributes, 0) }}

{% macro menu_links(items, attributes, menu_level) %}
  {% import _self as menus %}
  {% if items %}
  <ul class="menu--social-media__links">
    {% for item in items %}
      <li{{ item.attributes.addClass((item.title)|clean_class) }}>
        <a href="{{ item.url }}" title="{{ item.title|t }}"><span class="visually-hidden">{{ item.title }}</span></a>
      </li>
    {% endfor %}
  </ul>
  {% endif %}
  {% endmacro %}