feat: seo优化

astro.config.mjs

@@ -2,6 +2,7 @@
 import {defineConfig} from 'astro/config';
 import solidJs from '@astrojs/solid-js';
 import node from '@astrojs/node';
+import sitemap from "@astrojs/sitemap";
 
 // https://astro.build/config
 export default defineConfig({
@@ -10,7 +11,7 @@ export default defineConfig({
   server: {
     host: "0.0.0.0",
   },
-  integrations: [solidJs()],
+  integrations: [solidJs(), sitemap()],
   adapter: node({
     mode: 'standalone'
   }),