Add additional imports

Signed-off-by: worksofliam <mrliamallan@live.co.uk>

Author: worksofliam

src/content/docs/extensions/db2i/index.mdx

@@ -2,6 +2,7 @@
 title: Db2 for i 
 ---
 
+import { CardGrid, Card, Tabs, TabItem } from '@astrojs/starlight/components';
 import { Aside } from '@astrojs/starlight/components';
 import { Icon } from '@astrojs/starlight/components';