add bash to code example

HomelessDinosaur · HomelessDinosaur · commit 280cdc189325 · 2025-01-06T10:41:11.000+11:00
diff --git a/docs/guides/nodejs/expressjs.mdx b/docs/guides/nodejs/expressjs.mdx
@@ -32,7 +32,7 @@ nitric new express-example js-starter
 
 Then install dependencies and add express:
 
-```
+```bash
 cd express-example
 yarn install
 yarn add express
