Fix missing redirect

Author: JasonWHowell

.openpublishing.redirection.active-directory.json

@@ -15,6 +15,11 @@
             "redirect_url": "/entra/identity/index",
             "redirect_document_id": false
         },
+        {
+          "source_path_from_root": "/articles/active-directory/develop/msal-net-initializing-client-applications.md",
+          "redirect_url": "/entra/msal/dotnet/getting-started/initializing-client-applications",
+          "redirect_document_id": false
+        },
         {
             "source_path_from_root": "/articles/active-directory/app-provisioning/accidental-deletions.md",
             "redirect_url": "/entra/identity/app-provisioning/accidental-deletions",