Rename partitioning articles

Author: seesharprun

articles/cosmos-db/.openpublishing.redirection.cosmos-db.json

@@ -1,4 +1,19 @@
 {
   "redirections": [
+    {
+      "source_path_from_root": "/articles/cosmos-db/partitioning-overview.md",
+      "redirect_url": "/azure/cosmos-db/partitioning",
+      "redirect_document_id": true
+    },
+    {
+      "source_path_from_root": "/articles/cosmos-db/global-dist-under-the-hood.md",
+      "redirect_url": "/azure/cosmos-db/global-distribution",
+      "redirect_document_id": true
+    },
+    {
+      "source_path_from_root": "/articles/cosmos-db/migrate-hbase-to-cosmos-db.md",
+      "redirect_url": "/azure/cosmos-db/migrate-hbase",
+      "redirect_document_id": true
+    }
   ]
 }