add redirects

Author: JimDaly

.openpublishing.redirection.json

@@ -1,5 +1,15 @@
 {
   "redirections": [
+   {
+      "source_path": "powerapps-docs/developer/model-driven-apps/clientapi/reference/controls/removeOnPostSave.md",
+      "redirect_url": "../../formContext-data-entity/removeOnPostSave",
+      "redirect_document_id": false
+   },
+   {
+      "source_path": "powerapps-docs/developer/model-driven-apps/clientapi/reference/controls/addOnPostSave.md",
+      "redirect_url": "../../formContext-data-entity/addOnPostSave",
+      "redirect_document_id": false
+   },
    {
       "source_path": "powerapps-docs/developer/data-platform/org-service/metadata-retrieve-detect-changes.md",
       "redirect_url": "../query-schema-definitions",