revert config as astro recommends it for type safety.

astro.config.mjs

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