fix: Add nixpacks configuration for Astro deployment

dealplustech-astro/node_modules/rehype-stringify/lib/index.d.ts

@@ -0,0 +1,24 @@
+/**
+ * Plugin to add support for serializing as HTML.
+ *
+ * @param {Options | null | undefined} [options]
+ *   Configuration (optional).
+ * @returns {undefined}
+ *   Nothing.
+ */
+export default function rehypeStringify(options?: Options | null | undefined): undefined;
+export default class rehypeStringify {
+    /**
+     * Plugin to add support for serializing as HTML.
+     *
+     * @param {Options | null | undefined} [options]
+     *   Configuration (optional).
+     * @returns {undefined}
+     *   Nothing.
+     */
+    constructor(options?: Options | null | undefined);
+    compiler: (tree: Root, file: import("vfile").VFile) => string;
+}
+import type { Options } from 'hast-util-to-html';
+import type { Root } from 'hast';
+//# sourceMappingURL=index.d.ts.map