Event entity created

app/models/event.rb

@@ -0,0 +1,17 @@
+class Event < ActiveRecord::Base
+  belongs_to :project
+  serialize :data
+end
+# == Schema Information
+#
+# Table name: events
+#
+#  id         :integer         not null, primary key
+#  data_type  :string(255)
+#  data_id    :string(255)
+#  title      :string(255)
+#  data       :text
+#  project_id :integer
+#  created_at :datetime        not null
+#  updated_at :datetime        not null
+#