Add build command back

Author: thedriftofwords

src/content/ccip/ccip-javascript-sdk.mdx

@@ -55,6 +55,7 @@ Failure to escape or sanitize error messages could expose your application to **
     <Fragment slot="panel.1">
     ```sh
     pnpm install
+    pnpm build
     pnpm dev-example
     ```
     </Fragment>
@@ -72,9 +73,10 @@ The example Next.js app included with the CCIP JavaScript SDK demonstrates the S
 
 To get started:
 
-1. Launch the app by using the following command:
+1. Launch the app by using the following commands:
 
    ```sh
+   pnpm build
    pnpm dev-example
    ```