{% extends 'partials/base.html.twig' %}

{% block content %}
	<div id="error">
		<div>
			<h1>Error {{ page.header.http_response_code }}</h1>
			<p>
				{{ page.content }}
			</p>
		</div>
	</div>
{% endblock %}

{% extends 'partials/base.html.twig' %}

{% block content %}
	<div id="error">
		<div>
			<h1>{{ 'ERROR'|t }} {{ page.header.http_response_code }}</h1>
			<p>
				{{ page.content }}
			</p>
		</div>
	</div>
{% endblock %}

Make the theme available for t9n
Make the theme available for t9n

In a way to promote i18n and in addition of a `languages.yaml` file (other PR), this PR is a strating point to turn the theme translatable.
If you agree by merging this one then I will continue this process on other strings.
Thanks