docs: fix shiki twoslash build error (#7620)

hi-ogawa · web-flow · commit 4f7db681439e · 2025-03-07T08:36:54.000+01:00
diff --git a/docs/.vitepress/config.ts b/docs/.vitepress/config.ts
@@ -103,6 +103,7 @@ export default ({ mode }: { mode: string }) => {
               },
             }),
           ],
+      languages: ['js', 'jsx', 'ts', 'tsx'],
     },
     themeConfig: {
       logo: '/logo.svg',
