Adjust XML whitespace and add commands to the setup docs

documentation/modules/exploit/linux/http/apache_ofbiz_deserialiation.md

@@ -10,6 +10,13 @@ versions prior to 17.12.04.
 
 You can use <https://hub.docker.com/r/opensourceknight/ofbiz>.
 
+1. Initialize the database with demo data (`INIT_DB=2`)
+    * `docker run --rm -e INIT_DB=2 opensourceknight/ofbiz:15.12`
+1. Start a postgres instance
+    * `docker run --name some-postgres -e POSTGRES_PASSWORD=mysecretpassword -d postgres`
+1. Link the database and OFBiz containers
+    * `docker run -d -p 80:8080 -p 8443:8443 --link some-postgres:postgres opensourceknight/ofbiz:15.12`
+
 ## Verification Steps
 
 Follow [Setup](#setup) and [Scenarios](#scenarios).