[RZB-2500048]: move cross json to assets/json

Author: xkeshav

astro.config.mjs

@@ -1,4 +1,5 @@
 import mdx from "@astrojs/mdx";
+import node from "@astrojs/node";
 import react from "@astrojs/react";
 import tailwind from "@astrojs/tailwind";
 import { defineConfig } from "astro/config";
@@ -38,5 +39,6 @@ export default defineConfig({
       exclude: ["@resvg/resvg-js"]
     }
   },
-  output: "server"
+  output: "server",
+  adapter: node({ mode: "standalone" })
 });