Update TOC.yml

Author: Gargi-Sinha

articles/active-directory/verifiable-credentials/TOC.yml

@@ -66,6 +66,8 @@
       href: howto-verifiable-credentials-partner-au10tix.md
     - name: LexisNexis
       href: howto-verifiable-credentials-partner-lexisnexis.md
+    - name: Vu
+      href: partner-vu.md
 - name: Samples
   expanded: true
   items:
@@ -108,4 +110,4 @@
   - name: Video overview of decentralized identities
     href: https://www.youtube.com/watch?v=Whc9Im-U0Wg
 
-  
+