add fields above email in checkout

    {% block login_register %}
            <legend>
                Your Child's Information
            </legend>
            <div class="fc-form-group fc-form-group-multiple-inline">
            <div class="col-md-3">
            </div>
            <div class="col-md-4">
                <input type="text" id="child_name" name="child_name" placeholder="Child's Name" autocomplete="off" class="fc-form-control" formnovalidate="" aria-required="true" value="{{ child_name }}" data-fc-required />
            </div>
            <div class="col-md-4">
                <input type="text" id="year_group" name="year_group" placeholder="Child's Year Group" autocomplete="off" class="fc-form-control" formnovalidate="" aria-required="true" value="{{ year_group }}" data-fc-required />
            </div>
        </div>
    {{ parent() }}
    {% endblock %}