Generate initial models

app/models/answer.rb

@@ -0,0 +1,3 @@
+class Answer < ApplicationRecord
+  belongs_to :question
+end

app/models/application_record.rb

@@ -0,0 +1,3 @@
+class ApplicationRecord < ActiveRecord::Base
+  primary_abstract_class
+end

app/models/question.rb

@@ -0,0 +1,3 @@
+class Question < ApplicationRecord
+  belongs_to :section
+end

app/models/section.rb

@@ -0,0 +1,2 @@
+class Section < ApplicationRecord
+end