Submit form data by email. How to make new lines?

{%- macro render_field(form, fields, scope) %}
{%- import _self as self %}
{%- for index, field in fields %}
    {%- set show_field = attribute(field, "input@") ?? field.store ?? true %}
    {%- if field.fields %}
        {%- if field.type == "section" %}
            {{- "\r\n" ~ field.title|replace({' *': ''}) ~ "\r\n" ~}}
        {%- endif %}
        {%- set new_scope = field.nest_id ? scope ~ field.name ~ '.' : scope %}
        {{- self.render_field(form, field.fields, new_scope) }}
    {%- else %}
        {%- if show_field %}
            {%- set value = form.value(scope ~ (field.name ?? index)) %}
            {%- if value %}
                {%- if field.label %}{{- field.label|t|e }}: {% endif %}
                {{- string(value is iterable ? value|json_encode : value) ~ "\r\n" }}
            {%- endif %}
        {%- endif %}
    {%- endif %}
{%- endfor %}
{%- endmacro %}

{%- import _self as macro %}
{%- autoescape false %}
{{- macro.render_field(form, form.fields, '') }}
{%- endautoescape %}