adds answer most voted text for screen readers

app/views/polls/results.html.erb

@@ -22,7 +22,12 @@
           <thead>
             <tr>
               <%- question.question_answers.each do |answer| %>
-                <th scope="col" <%= answer.most_voted? ? "class=win" : "" %>><%= answer.title %></th>
+                <th scope="col" <%= answer.most_voted? ? "class=win" : "" %>>
+                  <% if answer.most_voted %>
+                    <span class="show-for-sr"><%= t ("polls.show.results.most_voted_answer") %></span>
+                  <% end %>
+                  <%= answer.title %>
+                </th>
               <% end %>
             </tr>
           </thead>

config/locales/en/general.yml

@@ -513,6 +513,8 @@ en:
         valid: "Valid"
         white: "White votes"
         null_votes: "Invalid"
+      results:
+        most_voted_answer: "Most voted answer: "
   poll_questions:
     create_question: "Create question"
     show:

config/locales/es/general.yml

@@ -513,6 +513,8 @@ es:
         valid: "Válidos"
         white: "En blanco"
         null_votes: "Nulos"
+      results:
+        most_voted_answer: "Respuesta más votada: "
   poll_questions:
     create_question: "Crear pregunta para votación"
     show: