fix: Add nixpacks configuration for Astro deployment

dealplustech-astro/node_modules/zod-to-json-schema/dist/cjs/parsers/optional.js

@@ -0,0 +1,25 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.parseOptionalDef = void 0;
+const parseDef_js_1 = require("../parseDef.js");
+const any_js_1 = require("./any.js");
+const parseOptionalDef = (def, refs) => {
+    if (refs.currentPath.toString() === refs.propertyPath?.toString()) {
+        return (0, parseDef_js_1.parseDef)(def.innerType._def, refs);
+    }
+    const innerSchema = (0, parseDef_js_1.parseDef)(def.innerType._def, {
+        ...refs,
+        currentPath: [...refs.currentPath, "anyOf", "1"],
+    });
+    return innerSchema
+        ? {
+            anyOf: [
+                {
+                    not: (0, any_js_1.parseAnyDef)(refs),
+                },
+                innerSchema,
+            ],
+        }
+        : (0, any_js_1.parseAnyDef)(refs);
+};
+exports.parseOptionalDef = parseOptionalDef;