fix: Add nixpacks configuration for Astro deployment

dealplustech-astro/node_modules/property-information/lib/util/case-sensitive-transform.js

@@ -0,0 +1,11 @@
+/**
+ * @param {Record<string, string>} attributes
+ *   Attributes.
+ * @param {string} attribute
+ *   Attribute.
+ * @returns {string}
+ *   Transformed attribute.
+ */
+export function caseSensitiveTransform(attributes, attribute) {
+  return attribute in attributes ? attributes[attribute] : attribute
+}