Add TOC entry for sharding article

Author: juliakm

articles/playwright-testing/playwright-testing-reporting-with-sharding.md

@@ -1,6 +1,6 @@
 ---
 title: Use Microsoft Playwright Testing Reporting with Playwright sharding (preview)
-description: Learn to
+description: Learn how to split your test suite to run across multiple machines simultaneously and get a consolidated report of a test run with sharding.
 author: vvs11
 ms.service: playwright-testing
 ms.custom:
@@ -36,7 +36,6 @@ While using sharding, make sure the same `RUN_ID` is set across all the shards f
 
 Here's an example of how you can set it in your pipeline via GitHub Actions. 
 
-
 ```yml
 name: Playwright Tests
 on:

articles/playwright-testing/toc.yml

@@ -46,7 +46,8 @@ items:
       href: how-to-configure-visual-comparisons.md   
     - name: Monitor Microsoft Playwright Testing
       href: monitor-playwright-testing.md
-
+    - name: Use Microsoft Playwright Testing with sharding
+      href: playwright-testing-reporting-with-sharding.md
 - name: Samples
   items:
     - name: Contoso Traders cloud testing demo