Merge branch 'live' into patch-3

Author: KumarVivek

powerapps-docs/maker/TOC.yml

@@ -1201,8 +1201,12 @@
           href: ./portals/compose-page.md
         - name: Work with templates
           href: ./portals/work-with-templates.md
-        - name: Edit CSS
-          href: ./portals/edit-css.md
+        - name: Work with themes
+          items:
+            - name: Create theme
+              href: ./portals/theme-overview.md
+            - name: Edit CSS
+              href: ./portals/edit-css.md
     - name: Manage existing portals
       href: ./portals/manage-existing-portals.md
     - name: Advanced portal administration
@@ -1259,6 +1263,8 @@
           items:
             - name: Configure portal authentication
               href: ./portals/configure/configure-portal-authentication.md
+            - name: Use simplified authentication configuration (Preview)
+              href: ./portals/configure/use-simplified-authentication-configuration.md
             - name: Set authentication identity
               href: ./portals/configure/set-authentication-identity.md
             - name: Azure AD B2C provider settings for portals
@@ -1277,6 +1283,8 @@
           items:
             - name: About search
               href: ./portals/configure/search.md
+            - name: Configure search for additional entities
+              href: ./portals/configure/search-additional-entities.md
             - name: Improve search by using faceted search
               href: ./portals/configure/improve-portal-search-faceted-search.md
             - name: Search within file attachments