Add keywords

Author: kengaderdus

articles/active-directory-b2c/TOC.yml

@@ -106,6 +106,7 @@
       href: user-flow-overview.md
     - name: Custom policy overview
       href: custom-policy-overview.md
+      displayName: extend, extensibility
   - name: API Connectors
     href: api-connectors-overview.md
     displayName: REST API, web API, API connectors, Dynamic data retrieval, external data sources, external identity data source, outbound webhooks, third-party integration
@@ -461,7 +462,8 @@
     - name: Integrate with our technology partners
       items:
       - name: Azure AD B2C partner gallery
-        href: partner-gallery.md      
+        href: partner-gallery.md     
+        displayName: marketplace, integration, extensibility, extend, customization, customisation
     # Secure
   - name: Secure
     items: