Added filters to Twig syntax

[WebVPF]

With parameters:

• column - https://twig.symfony.com/doc/3.x/filters/column.html
• country_name - https://twig.symfony.com/doc/3.x/filters/country_name.html
• currency_name - https://twig.symfony.com/doc/3.x/filters/currency_name.html
• currency_symbol - https://twig.symfony.com/doc/3.x/filters/currency_symbol.html
• data_uri - https://twig.symfony.com/doc/3.x/filters/data_uri.html
• filter - https://twig.symfony.com/doc/3.x/filters/filter.html
• format_currency - https://twig.symfony.com/doc/3.x/filters/format_currency.html
• format_date - https://twig.symfony.com/doc/3.x/filters/format_date.html
• format_datetime - https://twig.symfony.com/doc/3.x/filters/format_datetime.html
• format_number - https://twig.symfony.com/doc/3.x/filters/format_number.html
• format_time - https://twig.symfony.com/doc/3.x/filters/format_time.html#format-time
• inline_css - https://twig.symfony.com/doc/3.x/filters/inline_css.html
• json_encode - https://twig.symfony.com/doc/3.x/filters/json_encode.html
• language_name - https://twig.symfony.com/doc/3.x/filters/language_name.html
• locale_name - https://twig.symfony.com/doc/3.x/filters/locale_name.html
• map - https://twig.symfony.com/doc/3.x/filters/map.html
• reduce - https://twig.symfony.com/doc/3.x/filters/reduce.html
• timezone_name - https://twig.symfony.com/doc/3.x/filters/timezone_name.html

No parameters:

• country_name
• currency_name
• currency_symbol
• data_uri
• format_number
• html_to_markdown - https://twig.symfony.com/doc/3.x/filters/html_to_markdown.html
• inky_to_html - https://twig.symfony.com/doc/3.x/filters/inky_to_html.html
• inline_css
• language_name
• locale_name
• markdown_to_html - https://twig.symfony.com/doc/3.x/filters/markdown_to_html.html
• spaceless - https://twig.symfony.com/doc/3.x/filters/spaceless.html
• timezone_name

Examples

Examples of code from the documentation for verification:

{% set fruits = items|column('fruit') %}

{{ 'FR'|country_name }}
{{ 'US'|country_name('fr') }}

{{ 'EUR'|currency_name }}
{{ 'JPY'|currency_name('fr_FR') }}

{{ 'EUR'|currency_symbol }}
{{ 'JPY'|currency_symbol('fr') }}

{{ image_data|data_uri }}
{{ image_data|data_uri(mime="image/svg") }}

{{ sizes|filter(v => v > 38) }}

{{ '1000000'|format_currency('EUR') }}

{{ '2019-08-07 23:39:12'|format_date() }}
{{ '2019-08-07 23:39:12'|format_datetime() }}
{{ '2019-08-07 23:39:12'|format_time() }}

{{ '12.345'|format_number }}
{{ '12.345'|format_number({rounding_mode: 'floor'}) }}

{{ include('some_template.html.twig')|html_to_markdown }}

{{ include('some_template.inky.twig')|inky_to_html }}

{{ include('some_template.html.twig')|inline_css }}
{{ include('some_template.html.twig')|inline_css(source("some_styles.css")) }}

{{ data|json_encode() }}

{{ 'de'|language_name }}
{{ 'de'|language_name('fr') }}

{{ 'de'|locale_name }}
{{ 'de'|locale_name('fr') }}

{{ people|map(p => "#{p.first} #{p.last}")|join(', ') }}

{{ changelog|markdown_to_html }}

{{ numbers|reduce((carry, v, k) => carry + v * k) }}

{{
    "<div>
        <strong>foo</strong>
    </div>
    "|spaceless }}

{{ 'Europe/Paris'|timezone_name }}
{{ 'America/Los_Angeles'|timezone_name('fr') }}

{{ "path-seg*ment"|url_encode }}

[bennothommo]

Thanks again, @WebVPF! :)