Fix the sitemap up a little bit.

astro.config.mjs

@@ -13,6 +13,7 @@ export default defineConfig({
   integrations: [
 		sitemap({
 			includeByDefault: true,
+      lastmod: new Date(),
 		}),
   ],
   output: "server",

src/pages/game/[game].astro

@@ -7,16 +7,18 @@ import sitemap from 'sitemap-ext:config';
 
 const gamesList = games as GameList;
 
-sitemap(async ({ setSitemap }) => {
+
+sitemap(async ({ setSitemap}) => {
   const gamesList = games as GameList;
   const urls = Object.keys(gamesList);
 	setSitemap(
     urls.map((game) => ({
       sitemap: true,
       params: {
-        game,
+        game: game,
-      }
+      },
-    }))
+    }),
+  )
 	);
 });