simple question attachments

app/views/candidate/question.html.erb

@@ -9,6 +9,10 @@
   <main class="answer-sec <%= @question.input_type %>-type questions_tpl" data-qid="<%= @question.question_id %>">
     <h2 class="question-text"><%= @question.question %></h2>
 
+    <% if @question.attachment.present? %>
+      <%= image_tag @question.attachment %>
+    <% end %>
+
     <div class="content-well">
       <%= hidden_field_tag 'answer[question_id]', @question.question_id %>
       <%= hidden_field_tag 'answer[answer_id]', @question.answer_id %>