fix: add lab login section

package.json

@@ -14,7 +14,8 @@
     "preview:prod": "NODE_ENV=production VITE_PROD_BASE_PATH=/developer/commerce/storefront astro preview",
     "lint": "prettier --write  \"**/*.{js,jsx,ts,tsx,md,mdx,astro}\" && eslint --fix \"src/**/*.{js,ts,jsx,tsx,astro}\"",
     "clean": "rm -rf dist && rm -rf .astro && rm -rf node_modules && pnpm install",
-    "scrub": "rm -rf dist && rm -rf .astro && rm -rf node_modules && rm -rf pnpm-lock.yaml && rm -rf ~./.pnpm-store && pnpm install"
+    "scrub": "rm -rf dist && rm -rf .astro && rm -rf node_modules && rm -rf pnpm-lock.yaml && rm -rf ~./.pnpm-store && pnpm install",
+    "pdf": "pnpm build:prod && (pnpm preview:prod > /dev/null & sleep 5); lsof -ti:4321 > preview.pid; npx starlight-to-pdf http://localhost:4321 -p ./public/_pdf --filename docs --pdf-outline; kill $(cat preview.pid) && rm preview.pid && echo 'PDF script finished'"
   },
   "dependencies": {
     "@astrojs/check": "^0.9.4",

src/content/docs/merchants/tutorials/summit-lab-320/index.mdx

@@ -19,27 +19,35 @@ In this lab, you will learn how to:
 **Lesson 2:** Run a promotional campaign targeted at general and loyal customers<br/>
 **Lesson 3:** Experiment with customer conversions in the cart.
 
+## Lab Login
+
+1. Log in to [https://da.live](https://da.live) with your provided account.
+    - **Username:** `L320+XX@adobeeventlab.com` (replace `XX` with your seat number)
+    - **Password:** `Adobe4Summit!`
+    - **Organization:** `Commerce Extensibility`.
+2. Open your project at [https://da.live/#/adobe-summit-l320/](https://da.live/#/adobe-summit-l320/).
+3. Open the root folder of your assigned seat number.
+
 ## Lab Warmup
 
 Before you get started with the lessons, make sure you can successfully execute the following steps on your workstation:
 
 <Steps>
 
-1. Log into [https://da.live](https://da.live) with your provided account.
-1. Open your project at https://da.live/#/adobe-summit-l320/ and open the site assigned to your seat.
-1. View the contents of the **root folder** (`seat-xxx`) of your **CitiSignal** project.
+1. View the contents of the **root folder** (`seat-xx`) of your **CitiSignal** project.
 1. Open any document in your project by selecting it with a single click for editing and previewing.
 1. Use the **Instant Preview** menu on the right to see all the changes you make to the page in real-time.
 1. Revert changes by using the **Undo** button on the Edit menu or using Cmd+Z on your keyboard.
 1. Access images in the **AEM Assets library** from the Edit menu: **Library** > **AEM Assets**.
 1. Preview any document in your CitiSignal site by selecting the **Action** button (paper-plane icon, top-right), then selecting the **Preview** button.
 
 </Steps>
+
 :::caution[Avoid publishing the site]
 In this lab, we only need to preview the site, using both the **Instant Preview** menu and the **Preview** button.
 :::
 
-## Workshop tips: 
+## Lab Tips 
 
 - **Follow the steps** in order and check the screenshots.  
 - Use the **Instant Preview** menu often.