adds title to proposals#index

app/views/proposals/index.html.erb

@@ -1,3 +1,4 @@
+<% provide :title do %><%= t('proposals.index.title') %><% end %>
 <% content_for :header_addon do %>
   <%= render "shared/search_form_header",
              search_path: proposals_path(page: 1),

config/locales/en.yml

@@ -149,6 +149,7 @@ en:
         submit_button: "Save changes"
   proposals:
     index:
+      title: Proposals
       start_proposal: Start a proposal
       select_order: Order by
       select_order_long: Order proposals by

config/locales/es.yml

@@ -149,6 +149,7 @@ es:
         submit_button: "Guardar cambios"
   proposals:
     index:
+      title: Propuestas ciudadanas
       start_proposal: Crea una propuesta
       select_order: Ordenar por
       select_order_long: Estás viendo las propuestas