Document RSpec setup (#84)

* Document RSpec setup

You need to require this one file.

* Just a lil stylin'

README.md

@@ -93,6 +93,11 @@ end
 
 Now tests have access to `accounts.kaspers_donuts` and `users.kasper` etc. that were setup in the data scripts.
 
+> [!NOTE] For RSpec, you can put this in `spec/rails_helper.rb`:
+> ```ruby
+> require "oaken/rspec_setup"
+> ```
+
 You can also load a specific seed, like this:
 
 ```ruby

lib/oaken/rspec_setup.rb

@@ -1,9 +1,8 @@
 RSpec.configure do |config|
-  config.include(Oaken::Seeds)
-
+  config.include Oaken::Seeds
   config.use_transactional_fixtures = true
 
-  config.before(:suite) do
+  config.before :suite do
     # Mimic fixtures by truncating before inserting.
     ActiveRecord::Tasks::DatabaseTasks.truncate_all
     Oaken.load_seed