fix: Add nixpacks configuration for Astro deployment

dealplustech-astro/node_modules/unstorage/drivers/utils/cloudflare.cjs

@@ -0,0 +1,31 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getBinding = getBinding;
+exports.getKVBinding = getKVBinding;
+exports.getR2Binding = getR2Binding;
+var _index = require("./index.cjs");
+function getBinding(binding) {
+  let bindingName = "[binding]";
+  if (typeof binding === "string") {
+    bindingName = binding;
+    binding = globalThis[bindingName] || globalThis.__env__?.[bindingName];
+  }
+  if (!binding) {
+    throw (0, _index.createError)("cloudflare", `Invalid binding \`${bindingName}\`: \`${binding}\``);
+  }
+  for (const key of ["get", "put", "delete"]) {
+    if (!(key in binding)) {
+      throw (0, _index.createError)("cloudflare", `Invalid binding \`${bindingName}\`: \`${key}\` key is missing`);
+    }
+  }
+  return binding;
+}
+function getKVBinding(binding = "STORAGE") {
+  return getBinding(binding);
+}
+function getR2Binding(binding = "BUCKET") {
+  return getBinding(binding);
+}