docs: add terms

Author: atinux

docs/content/_partials/get-started.md

@@ -4,12 +4,12 @@ navigation: false
 
 Start a fresh Nuxt Content project with:
 
-```bash
+```bash [Terminal]
 npx nuxi@latest init content-app -t content
 ```
 
 To start your Nuxt content app in development mode:
 
-```bash
+```bash [Terminal]
 npm run dev
 ```