DOCS-688: adding content to support redirection of previous data processing document

Author: Sam Kleinman

source/administration/import-export.txt

@@ -47,6 +47,12 @@ with the database itself.
    - :doc:`/reference/mongorestore`
    - :doc:`/reference/mongodump`
 
+   If you want to transform and process data once you've imported it
+   in MongoDB consider the topics in :doc:`/aggregation`, including: 
+   
+   - :doc:`/applications/map-reduce` and
+   - :doc:`/core/aggregation`
+
 .. _bson-json-type-conversion-fidelity:
 
 Data Type Fidelity