added redirection json file

Author: Sreekanth Iyer (Ushta Te Consultancy Services)

learn-pr/azure/.openpublishing.redirection.json

@@ -0,0 +1,9 @@
+{
+  "redirections": [
+           {
+          "source_path_from_root": "learn-pr/azure/intro-to-azure-hdinsight-aks/1-introduction.yml",
+          "redirect_url": "/https://learn.microsoft.com/training/modules/intro-to-azure-hdinsight/",
+          "redirect_document_id": false
+      }
+  ]
+}