Initial commit: Grav CMS setup with HTML reference material

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

user/plugins/form/templates/forms/fields/range/range.html.twig

@@ -0,0 +1,9 @@
+{% extends "forms/field.html.twig" %}
+
+{% block input_attributes %}
+    type="range"
+    {% if field.validate.min %}min="{{ field.validate.min }}"{% endif %}
+    {% if field.validate.max %}max="{{ field.validate.max }}"{% endif %}
+    {% if field.validate.step %}step="{{ field.validate.step }}"{% endif %}
+    {{ parent() }}
+{% endblock %}