Update src/content/docs/pages/tutorials/build-an-api-with-pages-functions/index.mdx

Author: kodster28

src/content/docs/pages/tutorials/build-an-api-with-pages-functions/index.mdx

@@ -35,6 +35,7 @@ In your terminal, create a new React project called `blog-frontend` using the `c
 ```sh title="Create a new React application"
 npx create-vite -t react blog-frontend
 cd blog-frontend
+npm install
 npm run dev
 ```