MINI

C:/xampp/phpMyAdmin/templates/columns_definitions/

files >> C:/xampp/phpMyAdmin/templates/columns_definitions/column_extra.twig

 <input name="col_extra[{{ column_number }}]"
    id="field_{{ column_number }}_{{ ci - ci_offset }}"
    {% if column_meta['Extra'] is not empty and column_meta['Extra'] == 'auto_increment' -%}
        checked="checked"
    {%- endif %}
    type="checkbox"
    value="auto_increment">