simple question attachments

db/migrate/20160803003932_add_attachments_to_questions.rb

@@ -0,0 +1,5 @@
+class AddAttachmentsToQuestions < ActiveRecord::Migration[5.0]
+  def change
+    add_column :questions, :attachment, :string
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20160727154057) do
+ActiveRecord::Schema.define(version: 20160803003932) do
 
   create_table "answers", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|
     t.integer  "candidate_id"
@@ -51,6 +51,7 @@ ActiveRecord::Schema.define(version: 20160727154057) do
     t.boolean  "active"
     t.datetime "created_at",                  null: false
     t.datetime "updated_at",                  null: false
+    t.string   "attachment"
     t.index ["active"], name: "index_questions_on_active", using: :btree
     t.index ["quiz_id"], name: "index_questions_on_quiz_id", using: :btree
     t.index ["sort"], name: "index_questions_on_sort", using: :btree