fix: Add nixpacks configuration for Astro deployment

dealplustech-astro/node_modules/oniguruma-to-es/dist/esm/subclass.d.ts

@@ -0,0 +1,39 @@
+export type EmulatedRegExpOptions = {
+    hiddenCaptures?: Array<number>;
+    lazyCompile?: boolean;
+    strategy?: string | null;
+    transfers?: Array<[number, Array<number>]>;
+};
+/**
+@typedef {{
+  hiddenCaptures?: Array<number>;
+  lazyCompile?: boolean;
+  strategy?: string | null;
+  transfers?: Array<[number, Array<number>]>;
+}} EmulatedRegExpOptions
+*/
+/**
+Works the same as JavaScript's native `RegExp` constructor in all contexts, but can be given
+results from `toRegExpDetails` to produce the same result as `toRegExp`.
+*/
+export class EmulatedRegExp extends RegExp {
+    /**
+     @overload
+     @param {string} pattern
+     @param {string} [flags]
+     @param {EmulatedRegExpOptions} [options]
+     */
+    constructor(pattern: string, flags?: string, options?: EmulatedRegExpOptions);
+    /**
+     @overload
+     @param {EmulatedRegExp} pattern
+     @param {string} [flags]
+     */
+    constructor(pattern: EmulatedRegExp, flags?: string);
+    /**
+    Can be used to serialize the instance.
+    @type {EmulatedRegExpOptions}
+    */
+    rawOptions: EmulatedRegExpOptions;
+    #private;
+}