#268: add notes in README about creating OFN user

README.md

@@ -61,6 +61,13 @@ Configure the site:
     cp config/application.yml.example config/application.yml
     edit config/application.yml
 
+Create a PostgreSQL user:
+
+* Login as your system postrgresql priviledged user: `sudo -i -u postgres` (this may vary on your OS). Now your prompt looks like: `[postgres@your_host ~]$`
+* Create the `ofn` database superuser and give it the password `f00d`:
+
+    createuser -s -P ofn
+
 Create the development and test databases, using the settings specified in `config/database.yml`, and populate them with a schema and seed data:
 
     rake db:setup