Implement recommended config changes

astro.config.mjs

@@ -1,10 +1,9 @@
-import { defineConfig } from "astro/config";
 import tailwind from "@astrojs/tailwind";
 import image from "@astrojs/image";
 import mdx from "@astrojs/mdx";
 import sitemap from "@astrojs/sitemap";
 
-export default defineConfig({
+export default {
   site: "https://astroship.web3templates.com",
   integrations: [
     tailwind(),
@@ -14,4 +13,4 @@ export default defineConfig({
     mdx(),
     sitemap(),
   ],
-});
+};