install.xml

<?xml version="1.0" encoding="utf-8"?>
<modification>
    <code>iexcelv01</code>
    <name>Excel Import</name>
    <version>0.1</version>
    <author>Emre Acar</author>
    <link>https://www.emreacar.com.tr</link>
    <file path="admin/controller/common/column_left.php">
        <operation>
            <search><![CDATA[
            if ($this->user->hasPermission('access', 'catalog/recurring')) {
            ]]></search>
            <add position="before"><![CDATA[
            $catalog[] = array(
				'name'	   => $this->language->get('text_iexcel'),
				'href'     => $this->url->link('extension/import/excel', 'user_token=' . $this->session->data['user_token'], true),
				'children' => array()
			);
            ]]></add>
        </operation>
    </file> 

    <file path="admin/controller/startup/permission.php">
        <operation>
            <search><![CDATA[
            'extension/extension',
            ]]></search>
            <add position="after"><![CDATA[
            'extension/import',
            ]]></add>
        </operation>
    </file>
</modification>