Added newline for better readability in metrics template

A newline has been added to the metrics.twig template to improve code readability. This change separates different sections of the code, making it easier to understand and maintain.

templates/metrics.twig

@@ -3,6 +3,7 @@
 # HELP {{ key }} {{ metric.help }}
 {% endif %}
 # TYPE {{ key }} {% if metric.type is defined and metric.type is not empty %}{{ metric.help }}{% else %}gauge{% endif %}
+
 {% for subkey, submetric in metric.submetrics %}
 {{ key }}{% if submetric.labels is defined and submetric.labels is not empty %}{{ '{' }}{% for label, value in submetric.labels %}{{ label }}="{{ value }}"{% if not loop.last %},{% endif %}{% endfor %}{{ '}' }}{% endif %} {{ submetric.value }}
 {% endfor %}