add point and timestamp

docs/.vitepress/config.mts

@@ -9,5 +9,12 @@ export default defineConfig({
     outline: {
       level: "deep",
     },
+    lastUpdated: {
+      formatOptions: {
+        dateStyle: "full",
+        timeStyle: "short",
+        hourCycle: "h24",
+      },
+    },
   },
 });