Merge pull request #241980 from csmulligan/ciam-csmulligan-toc-demo

[CIAM] TOC update - added demo nod

Author: AnnaMHuff

articles/active-directory/external-identities/customers/toc.yml

@@ -6,6 +6,8 @@ items:
   items:   
     - name: What is Azure Active Directory for customers?  
       href: overview-customers-ciam.md 
+    - name: Demo overview
+      href: overview-solutions-customers.md
 - name: Quickstarts
   expanded: true
   items: 
@@ -295,4 +297,4 @@ items:
 - name: Resources
   items:
     - name: Frequently asked questions (FAQ)
-      href: faq-customers.md
+      href: faq-customers.md