Add directions about cleaning and seeding

README.md

@@ -17,6 +17,18 @@ This will use the HMAC secret to sign the token. It will ask you to submit a val
 {"invoked_by" => "workflow-service"}
 ```
 
+## Seeding the staging environment
+
+It's possible to clear out and re-seed the staging environment by using the following rake tasks:
+
+```
+./bin/rake delete_all_objects
+./bin/rake seed
+```
+
+This will load all the FOXML from https://github.com/sul-dlss/dor-services-app/blob/master/lib/tasks/seeds/
+
+
 ## Developer Notes
 
 DOR Services App is a Rails app.