fix: Add nixpacks configuration for Astro deployment

dealplustech-astro/node_modules/ohash/dist/shared/ohash.CMR0vuBX.d.ts

@@ -0,0 +1,9 @@
+/**
+ * Compare two objects using reference equality and stable deep hashing.
+ * @param {any} object1 First object
+ * @param {any} object2 Second object
+ * @return {boolean} true if equal and false if not
+ */
+declare function isEqual(object1: any, object2: any): boolean;
+
+export { isEqual as i };