Add contestant categories to contests

spec/factories/categories.rb

@@ -0,0 +1,23 @@
+# == Schema Information
+#
+# Table name: categories
+#
+#  id         :integer          not null, primary key
+#  name       :string
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#  contest_id :integer          not null
+#
+# Indexes
+#
+#  index_categories_on_contest_id  (contest_id)
+#
+# Foreign Keys
+#
+#  contest_id  (contest_id => contests.id)
+#
+FactoryBot.define do
+  factory :category do
+    name { "MyString" }
+  end
+end