install.xml

<modification>
    <name>Frontlink</name>
    <code>frontlink</code>
    <version>1.1.0</version>
    <author>Michel Lima</author>
    <file path="admin/controller/common/column_left.php">
        <operation>
            <search>
                <![CDATA[return $this->load->view('common/column_left', $data);]]>
            </search>
            <add position="before">
                <![CDATA[
                    $data['stores'][] = [
                        'name' => $this->config->get('config_name'),
                        'href' => HTTP_CATALOG
                    ];

                    $this->load->model('setting/store');

                    $results = $this->model_setting_store->getStores();

                    foreach ($results as $result) {
                        $data['stores'][] = [
                            'name' => $result['name'],
                            'href' => $result['url']
                        ];
                    }
                ]]>
            </add>
        </operation>
    </file>
    <file path="admin/view/template/common/column_left.twig">
        <operation>
            <search>
              <![CDATA[<ul id="menu">]]>
            </search>
            <add position="after">
                <![CDATA[
                    {% for store in stores %}
                      <li class="frontLink">
                        <a href="{{ store.href }}" target="_blank">
                          <i class="fa fa-home"></i>{{ store.name }}
                        </a>
                      </li>
                    {%  endfor %}
                ]]>
            </add>
        </operation>
    </file>
</modification>