style(rubocop): fix all safe auto correctable offenses

app/models/concerns/has_uuid.rb

@@ -1,11 +1,13 @@
 module HasUUID
+
   def self.included(base)
     base.class_eval do
-      random_string :uuid, :type => :uuid, :unique => true
+      random_string :uuid, type: :uuid, unique: true
     end
   end
 
   def to_param
     uuid
   end
+
 end