v4 upgrade

astro.config.mjs

@@ -2,9 +2,10 @@ import { defineConfig } from "astro/config";
 import tailwind from "@astrojs/tailwind";
 import mdx from "@astrojs/mdx";
 import sitemap from "@astrojs/sitemap";
+import icon from "astro-icon";
 
 // https://astro.build/config
 export default defineConfig({
   site: "https://astroship.web3templates.com",
-  integrations: [tailwind(), mdx(), sitemap()],
+  integrations: [tailwind(), mdx(), sitemap(), icon()],
 });