Allow random selection for ProxyExercise

db/migrate/20230120185807_add_algorithm_to_proxy_exercise.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class AddAlgorithmToProxyExercise < ActiveRecord::Migration[7.0]
+  def change
+    add_column :proxy_exercises, :algorithm, :integer, limit: 1, null: false, default: 0, comment: 'Used as enum in Rails'
+  end
+end